Before you drive

Iceland road conditions and F-road status

Review the latest nationwide road feed, mountain-road status, reported hazards, and historical opening windows before planning a journey into Iceland’s highlands.

This tool is a planning aid, not a substitute for the official Vegagerðin road map, road signs, weather warnings, rental restrictions, or local advice.

Nationwide summary

701 road segments in the latest official feed.

Updated: 8 Sept 2026, 18:47 GMT

Checked: 8 Sept 2026, 18:48 GMT

Passable

679

Caution

0

Closed / impassable

1

Unknown

21

F-road map

The same live feed as the list below, drawn by road number. Tap or hover a road for its sections, status, and opening history.

Feed updated 1 min ago

Open (38)Reduced conditions (0)Closed / impassable (0)Mixed or partly unreported (1)Unknown (9)

Select a road on the map to see its reported sections and opening history.

Road and coastline geometry © OpenStreetMap contributors (ODbL), map data as of 2026-05-06. Status data: Vegagerðin / umferdin.is.

Geometry is simplified for display and shows a road’s general course, not its exact alignment or a route you can drive. Section boundaries in the feed do not correspond to the drawn lines, so a road with mixed sections is marked as mixed rather than coloured along its length.

Filters the segments already loaded on this page by road number or name. No request is made while you type.

Mountain-road status

F-road segments and mountain tracks identified by the official feed. “Open” can still mean suitable only for mountain vehicles.

Open (89)

  • Kollafjarðarheiði

    F66

    Passable for mountain vehicles (open)
  • Skaftártunguvegur og Ljótarstaðavegur

    F210

    Easily passable
  • Þórsmerkurvegur: Stóra-Mörk - Nauthúsagil

    249

    Passable for mountain vehicles (open)
  • Vigdísarvallavegur: Djúpavatnsleið

    428

    Passable for mountain vehicles (open)
  • Jökulhálsleið

    570

    Passable for mountain vehicles (open)
  • Eysteinsdalsleið

    F575

    Passable for mountain vehicles (open)
  • Langvatnsvegur: Sauðhús - Langavatn

    553

    Passable for mountain vehicles (open)
  • Haukadalsskarðsvegur

    F586

    Passable for mountain vehicles (open)
  • Svalvogavegur: Haukadalur - Lokinhamrar

    622

    Passable for mountain vehicles (open)
  • Þorskafjarðarheiði

    608

    Passable for mountain vehicles (open)
  • Ófeigsfjarðarvegur

    F649

    Passable for mountain vehicles (open)
  • Steinadalsheiði

    690

    Passable for mountain vehicles (open)
  • Steinadalsvegur: Kollafjörður - Steinadalur

    690

    Passable for mountain vehicles (open)
  • Svartárdalsvegur: Hvammur - Fossar

    734

    Passable for mountain vehicles (open)
  • Leirdalsheiðarvegur

    F839

    Passable for mountain vehicles (open)
  • Flateyjardalsvegur

    F899

    Passable for mountain vehicles (open)
  • Dældarás - Dettifossvegur eystri

    864

    Passable for mountain vehicles (open)
  • Hólsfjallavegur: Dettifoss - Sigtún

    864

    Passable for mountain vehicles (open)
  • Langanesvegur: Hlíð - Skálar

    869

    Passable for mountain vehicles (open)
  • Austurleið: Upphéraðsvegur - Snæfellsleið

    F909

    Easily passable
  • Þórdalsheiðarvegur vestan Áreyja

    936

    Passable for mountain vehicles (open)
  • Loðmundarfjarðarvegur

    F946

    Passable for mountain vehicles (open)
  • Lakagígavegur

    F207

    Passable for mountain vehicles (open)
  • Fjallabaksleið nyrðri: Sigalda - Landmannalaugar

    F224

    Easily passable
  • Sprengisandsleið - Veiðivatnaskáli

    F228

    Passable for mountain vehicles (open)
  • Jökulheimaleið

    F229

    Passable for mountain vehicles (open)
  • Öldufellsleið

    F232

    Passable for mountain vehicles (open)
  • Álftavatnskrókur

    F233

    Passable for mountain vehicles (open)
  • Fjallabaksleið nyrðri - Langisjór

    F235

    Passable for mountain vehicles (open)
  • Emstruleið

    F261

    Passable for mountain vehicles (open)
  • Stangarvegur

    327

    Passable for mountain vehicles (open)
  • Háafossvegur

    332

    Passable for mountain vehicles (open)
  • Hagavatnsvegur

    F335

    Passable for mountain vehicles (open)
  • Hlöðuvallavegur

    F337

    Passable for mountain vehicles (open)
  • Langjökulsvegur

    551

    Passable for mountain vehicles (open)
  • Þjófadalavegur

    F735

    Easily passable
  • Eyjafjarðarleið öll

    F821

    Passable for mountain vehicles (open)
  • Dragaleið

    F881

    Passable for mountain vehicles (open)
  • Öskjuvatnsvegur

    F894

    Passable for mountain vehicles (open)
  • Kverkfjallaleið

    F902

    Passable for mountain vehicles (open)
  • Hvannalindarvegur

    F903

    Passable for mountain vehicles (open)
  • Arnardalsleið

    F905

    Passable for mountain vehicles (open)
  • Lakavegur: Holtsvegur - Fagrifoss

    F206

    Passable for mountain vehicles (open)
  • Lakavegur: Fagrifoss - Lakagígar

    F206

    Passable for mountain vehicles (open)
  • Fjallabaksleið nyrðri: Búland - Eldgjá

    F208

    Passable for mountain vehicles (open)
  • Fjallabaksleið nyrðri: Eldgjá - Landmannalaugavegur

    F208

    Passable for mountain vehicles (open)
  • Fjallabaksleið syðri: Snæbýli - Álftavatnskrókur

    F210

    Passable for mountain vehicles (open)
  • Fjallabaksleið syðri: Strútur - Emstruleið

    F210

    Passable for mountain vehicles (open)
  • Fjallabaksleið syðri: Emstruleið - Rangárvallavegur

    F210

    Passable for mountain vehicles (open)
  • Landmannaleið vestan Heklu

    F225

    Passable for mountain vehicles (open)
  • Landmannaleið: Hekla - Landmannahellir

    F225

    Passable for mountain vehicles (open)
  • Landmannaleið: Landmannahellir - Fjallabak N

    F225

    Passable for mountain vehicles (open)
  • Þórsmerkurvegur: Nauthúsagil - Jökultungur

    249

    Passable for mountain vehicles (open)
  • Þórsmerkurvegur: Jökultungur - Básar

    F249

    Passable for mountain vehicles (open)
  • Sprengisandsleið: Vatnsfellsvirkjun - Versalir

    26

    Passable for mountain vehicles (open)
  • Sprengisandsleið: Versalir - Nýidalur

    F26

    Passable for mountain vehicles (open)
  • Sprengisandsleið: Nýidalur - Skagafjarðarleið

    F26

    Passable for mountain vehicles (open)
  • Sprengisandsleið: Skagafjarðarleið - Aldeyjarfoss

    F26

    Passable for mountain vehicles (open)
  • Sprengisandsleið: Aldeyjarfoss - Mýri í Bárðardal

    F26

    Passable for mountain vehicles (open)
  • Skjaldbreiðarvegur: Kjalvegur - Hlöðuvallavegur

    F338

    Passable for mountain vehicles (open)
  • Skjaldbreiðarvegur: Hlöðuvallavegur - Kaldadalsvegur

    F338

    Passable for mountain vehicles (open)
  • Kerlingarfjallavegur

    F347

    Easily passable
  • Ásgarður - Hveradalir

    F347

    Passable for mountain vehicles (open)
  • Kaldadalsvegur: Uxahryggjavegur - Langjökulsvegur

    550

    Passable for mountain vehicles (open)
  • Kaldadalsvegur: Langjökulsvegur - Hálsasveitarvegur

    550

    Passable for mountain vehicles (open)
  • Arnarvatnsvegur: Kalmanstunga - Surtshellir

    578

    Passable for mountain vehicles (open)
  • Arnarvatnsvegur: Surtshellir - Norðlingafljót

    F578

    Passable for mountain vehicles (open)
  • Arnarvatnsvegur: Norðlingafljót - Arnarvatn, hús

    F578

    Passable for mountain vehicles (open)
  • Arnarvatnsvegur: Arnarvatn - Miðfjarðarvegur

    578

    Passable for mountain vehicles (open)
  • Vesturheiðarvegur: Fossar - Mælifellsdalsvegur

    734

    Passable for mountain vehicles (open)
  • Vesturheiðarvegur: Mælifellsdalsvegur - Kjalvegur

    F734

    Passable for mountain vehicles (open)
  • Skagafjarðarleið að Laugafelli

    F752

    Passable for mountain vehicles (open)
  • Skagafjarðarleið: Laugafell - Sprengisandsleið

    F752

    Passable for mountain vehicles (open)
  • Mælifellsdalsvegur: Efribyggðarvegur - Vesturheiðarvegur

    756

    Passable for mountain vehicles (open)
  • Mælifellsdalsvegur: Vesturheiðarvegur - Kjalvegur

    756

    Passable for mountain vehicles (open)
  • Öskjuleið að Herðubreiðarlindum

    F88

    Passable for mountain vehicles (open)
  • Öskjuleið sunnan Herðubreiðarlinda

    F88

    Passable for mountain vehicles (open)
  • Snæfellsleið: Austurleið - Snæfell

    F909

    Passable for mountain vehicles (open)
  • Snæfellsleið: Snæfell - Vatnajökull

    F909

    Passable for mountain vehicles (open)
  • Austurleið: Sprengisandsleið - Skjálfandafljót

    F910

    Passable for mountain vehicles (open)
  • Austurleið: Sprengisandsleið - Holuhraun

    F910

    Passable for mountain vehicles (open)
  • Austurleið: Holuhraun - Askja

    F910

    Passable for mountain vehicles (open)
  • Austurleið: Vikursandur

    F910

    Passable for mountain vehicles (open)
  • Austurleið: Öskjuleið - Kverkfjallaleið

    F910

    Passable for mountain vehicles (open)
  • Austurleið: Kverkfjallaleið - Kreppa

    F910

    Passable for mountain vehicles (open)
  • Austurleið: Kreppa - Arnardalsleið

    F910

    Passable for mountain vehicles (open)
  • Austurleið: Möðrudalsleið - Jökuldalsv. (Þríh.leið)

    F910

    Passable for mountain vehicles (open)
  • Austurleið: Kárahnjúkar - Þríhyrningsleið

    F910

    Easily passable
  • Hrafnkelsdalsleið

    F923

    Passable for mountain vehicles (open)

Reduced conditions (0)

No segments in this group were reported by the live feed.

Closed (1)

  • Fjallabaksleið syðri: Álftavatnskrókur - Strútur

    F210

    Impassable

Unknown (1)

  • Kollumúlavegur: Lónsöræfi

    F980

    Not known

Alerts and restrictions

Point hazards, weight restrictions, and reported non-F-road conditions other than easily passable.

  • Hringvegur: Selfoss - Hveragerði · 1

    Easily passable

    Road repairs

  • Hringvegur : Þjórsá - Selfoss, Laugardælavegur · 1, 33

    Easily passable

    Road repairs

  • Hringvegur. Hvalfjarðargöng - Grundartangi · 1, 506

    Easily passable

    Holes in road

  • Hafnarfjall · 1

    Easily passable

    Road repairs

  • Hringvegur: Mývatnsöræfi · 1

    Easily passable

    Other information: Construction has been postponed until spring.

  • Hringvegur: Hvalnes - Hafnarvegur · 1

    Easily passable

    Other information: There is a new driving route along the Hornafjörður River.

  • Þórsmerkurvegur: Stóra-Mörk - Nauthúsagil · 249

    Mountain vehicles

  • Stokkseyri að vestan · 33

    Easily passable

    Road repairs: Asphalt repairs today and into the evening.

  • Þingvallavegur: Lyngdalsheiðarvegur - Þingvellir · 36

    Easily passable

    Total axle weight limit

  • Laugarvatnsvegur: Laugarvatn - Múli · 37

    Easily passable

    Road repairs: Work is underway to strengthen and reshape Laugarvatnsvegur (37) from Laugarvatn to Hjálmstaðir. Please drive carefully.

  • Þorlákshafnarvegur: Hringvegur-Þrengsli · 38

    Easily passable

    Road repairs: Road construction from Lækur to Þrengslavegamót.

  • Vigdísarvallavegur: Djúpavatnsleið · 428

    Mountain vehicles

  • Nesjavallaleið · 435

    Easily passable

    Uneven road

    Uneven road

    Weight restriction: 7, Axle weight limit 7 tons

  • Þingvallavegur: Mosfellsheiði · 36

    Easily passable

    Flying gravel

    Flying gravel

    Flying gravel

  • Norðurljósavegur sunnan Bláalóns · 426

    Not known

  • Norðurljósavegur 1 · 43

    Not known

  • Orkubraut · 43

    Not known

  • Norðurljósavegur 7-9 · 426

    Not known

  • Hringvegur - Hvítá · 510

    Easily passable

    Total axle weight limit: Max 6 ton total vehicle weight on the bridge Hvítárvallarbú.

  • Jökulhálsleið · 570

    Mountain vehicles

  • Snæfellsnesvegur Hítará - Heydalsvegur · 54

    Easily passable

    Road repairs: Working hours are generally from 07:30 to 19:00 and work is carried out every weekday. Estimated completion date is September 15th.

  • Langvatnsvegur: Sauðhús - Langavatn · 553

    Mountain vehicles

  • Snæfellsnesvegur: Skógarströnd innri · 54

    Easily passable

    Road repairs

  • Haukadalsskarðsvegur · F586

    Mountain vehicles

    Water damage

  • Vestfjarðavegur í Miðdölum: Breiðabólstaður - Skógstagl · 60

    Easily passable

    Uneven road

    Uneven road

  • Vestfjarðavegur: Svínadalur · 60

    Easily passable

    Holes in road

  • Vestfjarðavegur: Dynjandisheiði · 60

    Easily passable

    Uneven road: The road through the worksite is rough. Drive with caution.

    Road repairs: Reconstruction of the road over Dynjandisheiði, phase 3. Work area 7.5 km

  • Dynjandavegur - Dýrafjarðargöng · 60

    Easily passable

    Road repairs: Reconstruction of the road over Dynjandisheiði, phase 3. Work area 7.5 km

  • Vestfjarðavegur: Önundarfjörður · 60

    Easily passable

    Closed: On Tuesday, September 8th, there will be work on the road across Önundarfjörður. Traffic will be controlled until 16:00, then it will close and will remain closed until 23:00 . A detour will be marked on site.

  • Djúpvegur: Súðavík - Hjallar · 61

    Easily passable

    Uneven road

  • Svalvogavegur: Haukadalur - Lokinhamrar · 622

    Mountain vehicles

  • Vestfjarðavegur - Hrafnseyri · 626

    Easily passable

    Uneven road

  • Þorskafjarðarheiði · 608

    Mountain vehicles

  • Djúpvegur: Steingrímsfjarðarheiði · 61

    Easily passable

    Flying gravel

  • Steinadalsvegur um sunnanverðan Gilsfjörð · 690

    Easily passable

    Road repairs

  • Steinadalsheiði · 690

    Mountain vehicles

  • Steinadalsvegur: Kollafjörður - Steinadalur · 690

    Mountain vehicles

  • Svartárdalsvegur: Hvammur - Fossar · 734

    Mountain vehicles

  • Skíðasvæði Skarðsdal · 793

    Not known

  • Svarfaðardalsvegur að Göngustöðum · 805

    Not known

  • Skíðadalsvegur að Hlíðarvegi · 807

    Not known

  • Bárðardalsvegur vestri · 842

    Easily passable

    Road repairs: Construction will be carried out on Bárðardalsvegur Vestri (842), from the Ring Road (1) and 3.5 km into the valley. There will be lane restrictions within the work area, and the speed limit will be reduced to 30 km/h. The work is expected to continue throughout September.

    Total axle weight limit: Max 12 ton total vehicle weight on bridges over Skjálfandafljót in Bárðardalur.

  • Norðausturvegur: Kaldakinn · 85

    Easily passable

    Total axle weight limit: The bridge over Skjálfandafljót (85) is open. It will still be closed to vehicles weighing more than 3,5 t. including buses that carry more than 8 passengers. Bypass on Hringvegur (1)

  • Norðausturvegur: Brekknaheiði · 85

    Easily passable

    Road repairs: Road work - speed restricted. Drive carefully

  • Dældarás - Dettifossvegur eystri · 864

    Mountain vehicles

  • Hólsfjallavegur: Dettifoss - Sigtún · 864

    Mountain vehicles

  • Langanesvegur: Hlíð - Skálar · 869

    Mountain vehicles

  • Þórdalsheiðarvegur vestan Áreyja · 936

    Mountain vehicles

  • Skriðdals- og Breiðdalsvegur: Egilsstaðir - Úlfsstaðir · 95

    Easily passable

    Road repairs: Work is underway to improve the bridge on Skriðdals- og Breiðdalsvegur. The speed limit in the work area has been reduced to 30 km/h, and traffic will be controlled by traffic lights. Road users are asked to drive carefully and follow the signs in the area.

  • Stangarvegur · 327

    Mountain vehicles

  • Háafossvegur · 332

    Mountain vehicles

  • Langjökulsvegur · 551

    Mountain vehicles

  • Fjallabaksleið syðri: Álftavatnskrókur - Strútur · F210

    Impassable

    Other information: There is a lot of water in Mælifellssandur.

    Other information: There is a lot of water in Hólmsá and also in Mælifellssandur.

  • Mýrdalsjökulsvegur · 222

    Not known

  • Þórsmerkurvegur: Nauthúsagil - Jökultungur · 249

    Mountain vehicles

  • Sprengisandsleið: Vatnsfellsvirkjun - Versalir · 26

    Mountain vehicles

  • Arnarklettur · 41

    Not known

  • Arfadalsvíkurleið · 425

    Not known

  • Eldvarpahraun · 425

    Not known

  • Starfsmannavegur HS · 426

    Not known

  • Hópsnes · 427

    Not known

  • Vatnsleysuheiði · 41

    Not known

  • Vatnaborg · 41

    Not known

  • Keilisvegur · 41

    Not known

  • slóði um Straumsvík · 41

    Not known

  • Seltjörn · 43

    Not known

  • Pípuleiðin · 44

    Not known

  • Stapafell/Rauðimelur · 44

    Not known

  • Kaldadalsvegur: Uxahryggjavegur - Langjökulsvegur · 550

    Mountain vehicles

  • Kaldadalsvegur: Langjökulsvegur - Hálsasveitarvegur · 550

    Mountain vehicles

  • Arnarvatnsvegur: Kalmanstunga - Surtshellir · 578

    Mountain vehicles

  • Arnarvatnsvegur: Arnarvatn - Miðfjarðarvegur · 578

    Mountain vehicles

  • Vesturheiðarvegur: Fossar - Mælifellsdalsvegur · 734

    Mountain vehicles

  • Mælifellsdalsvegur: Efribyggðarvegur - Vesturheiðarvegur · 756

    Mountain vehicles

  • Mælifellsdalsvegur: Vesturheiðarvegur - Kjalvegur · 756

    Mountain vehicles

  • Elliðavatnsvegur · 410

    Easily passable

    Weight restriction: 7, Axle weight limit 7 tons

  • Hafravatnsvegur · 431

    Easily passable

    Weight restriction: 7, Axle weight limit 7 tons

  • Arnarnesvegur í Kórum · 411

    Easily passable

    Road repairs: Work is underway on the new construction of the road on a 1.9 km section between Rjúpnavegur and Breiðholtsbraut. In addition, bridges, footpaths and underpasses will be built.

  • Breiðholtsbraut: Rauðavatn - Jaðarsel · 413

    Easily passable

    Road repairs: Arnarnesvegur has been reopened to traffic from Breiðholtsbraut via the new bridge over Breiðholtsbraut to Vatnsendavegur. The intersection of Vatnsendavegur and Breiðholtsbraut is closed due to construction. Drivers are advised to drive to and from Vatnsendahvarfi via Vatnsendavegur, a new roundabout at Arnarnesvegur and a new intersection at Breiðholtsbraut. Road users are asked to respect the signs and show consideration

Condition legend

  • AEasily passable
  • SPassable for mountain vehicles (open)
  • BSpots of ice
  • CSlippery
  • DExtremely slippery
  • EWet snow
  • FSnow
  • GDifficult driving
  • HDifficult conditions
  • JImpassable / closed
  • KImpassable
  • LClosed
  • -No winter service
  • 0Not known

Data: Vegagerðin / umferdin.is. The official map and road signs are authoritative. Conditions can change after the feed update.

Typical F-road opening windows

Historical opening dates from 2021 to 2025 provide context only. The average, earliest, and latest dates are not a prediction or guarantee for this year. Use the live board above and the official road map for actual current status.

Historical opening dates for selected Icelandic mountain roads, 2021 to 2025
RoadNumber20212022202320242025EarliestLatest5-year average
LakagígarF20625 June1 July12 June18 June12 June12 June1 July20 June
Fjallabaksleið North, Sigalda to LandmannalaugarF208-112 June23 June1 June12 June23 May23 May23 June8 June
Fjallabaksleið North, Landmannalaugar to EldgjáF208-21 July6 July16 June25 June19 June16 June6 July25 June
Fjallabaksleið North, Eldgjá to SkaftártungaF208-310 June26 June1 June10 June19 June1 June26 June13 June
Fjallabaksleið South, Keldur to HvanngilF210-19 July15 July23 June4 July14 July23 June15 July7 July
Fjallabaksleið South, Hvanngil to SkaftártungaF210-26 July5 July23 June26 June25 June23 June6 July29 June
Landmannaleið (Dómadalur)F22518 June24 June9 June18 June11 June9 June24 June16 June
EmstruleiðF2616 July15 July23 June26 June14 July23 June15 July5 July
Kjalvegur, Gullfoss to Hveravellir35-111 June10 June1 June14 June30 May30 May14 June7 June
Kjalvegur, Hveravellir to Blönduvirkjun35-29 June8 June1 June14 June26 May26 May14 June5 June
Sprengisandur, Hrauneyjar to NýidalurF26-19 July13 July21 June13 July3 July21 June13 July6 July
Sprengisandur, Nýidalur to BárðardalurF26-29 July13 July21 June10 July3 July21 June13 July5 July
Skagafjörður RouteF7529 July13 July21 June9 July30 June21 June13 July4 July
Eyjafjörður RouteF82115 July13 July23 June11 July3 July23 June15 July7 July

Source: Vegagerðin, Opening of mountain roads. Dataset checked 11 July 2026.

How to read this

The summary counts every segment in the official feed: passable covers categories A and S; caution covers ice, snow, slippery, and difficult conditions; closed covers closed or impassable categories; and unknown covers unavailable or unreported status.

Mountain roads are identified from an F-number or an official mountain-road category. Icelandic section names may remain in the feed even when the condition description is in English. Always match the road number and section, not only the place name.

Conditions can change between updates. Check the official map again immediately before departure, especially after rain, snow, high winds, or rapid temperature changes.

Driving F-roads safely

  • Never enter a closed or impassable road, and do not assume a historical opening date applies this year.
  • Use a vehicle permitted for the route and by your rental agreement. An open status does not confirm vehicle suitability.
  • Do not attempt a river crossing when depth, current, entry, exit, or your vehicle’s capability is uncertain. Turn back rather than take a risk.
  • Carry warm clothing, food, water, communications, and a route plan. Tell someone where you are going when travelling remotely.
  • Check weather, wind, daylight, road alerts, and official safety guidance before leaving paved roads.

Prefer experiencing remote terrain with an experienced operator? Compare guided Iceland highlands tours rather than treating an open-road marker as an invitation to drive beyond your experience.

Plan the rest of the drive

Remote routes can take longer than expected. Check Iceland’s daylight hours, estimate your fuel cost, compare car rental partners if the F-roads mean you need a 4x4, or browse all Iceland planning tools.

Frequently asked questions

Are Iceland’s F-roads open now?
Opening varies by road and conditions. Use the live mountain-road board and confirm on the official Vegagerðin map at umferdin.is immediately before travel. A historical opening date is not proof that a road is open.
What does “passable for mountain vehicles” mean?
It means the official feed reports the mountain road as open for mountain vehicles. It does not mean the road is suitable for every vehicle, driver, rental agreement, or weather condition.
Can I drive a normal rental car on an F-road?
Generally, F-roads require an appropriate four-wheel-drive vehicle, and rental-company restrictions still apply. Check the road status, vehicle requirements, insurance terms, and your rental agreement before entering any mountain road.
Are the historical opening dates a forecast?
No. The table shows recorded dates from 2021 to 2025 and a five-year average. Snow, thaw, flooding, damage, and maintenance can make the current year substantially earlier or later.
Is an open road safe to drive?
An open status is not a safety guarantee. Weather and river levels can change quickly, and some routes involve rough surfaces or unbridged rivers. Follow official warnings, road signs, and local advice, and turn back when conditions are uncertain.