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Langisjor

A narrow blue lake twenty kilometres long, held between mossed ridges and unknown to Icelanders until the 1800s.

Updated 30 August 2026

Typelake
WhereSouthern Highlands
Nearest cityKirkjubaejarklaustur about 90 km
Best seasonJuly to early September
Time to allowA full day
Getting thereTrack F235 off F208; four-wheel drive required
EntryFree

Langisjor lies in a trough between the Fogrufjoll ridges south-west of Vatnajokull, about twenty kilometres long and rarely more than two wide, and its water is a deep blue that is unusual in a country where most highland lakes are grey with glacial silt. The ridges around it are covered in moss over dark rock. It is remote enough that it went unrecorded until the nineteenth century, which is remarkable for a lake this size in an inhabited country. It was drawn into Vatnajokull National Park when the park was enlarged in 2011, ending long-running proposals to divert water from the area for hydro schemes.

What's there

  • A twenty kilometre trough - narrow water between two ridges.
  • Blue rather than glacial grey - unusual for a highland lake here.
  • Mossed ridges of Fogrufjoll - green over dark rock on both sides.
  • Protected in 2011 - brought into the national park, ending diversion plans.

When to go

July to early September while F235 is open. A full day.

Practical notes

This is a long drive on rough track for a view, with nothing to do at the end but walk. There is a hut and nothing else - no fuel, food or signal. The weather here can shut the road at short notice. Wind on the ridges is constant.

Nearby

Eldgja is south; Landmannalaugar lies west along F208.

Key facts

Local nameLangisjór (Icelandic)
Elevation670 m (2,198 ft)
Area26 km² (10 sq mi)
Location64.1833° N, 18.2500° W · map

Source: Wikidata, item Q283536, read on 18 October 2026.

What to pack for Langisjor

Chosen from what this place is for. Tap a kit for the full checklist.

  • Reef-safe sunscreen - High SPF that will not bleach the coral you are swimming over. Find on Amazon
  • Shelter suited to the place - Tent, tarp or hut booking - match it to the terrain and rules. Find on Amazon
  • Quick-dry towel - A microfibre towel packs small and dries in minutes. Find on Amazon
  • A warm sleeping bag + mat - Rated a little colder than you expect the nights to be. Find on Amazon

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Plan your trip

Where to start if Langisjor is going on the list.

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Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.

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