Grjótagjá
Grjótagjá
About
Lava cave with hot spring near Mývatn. Yes, it's the Game of Thrones cave. Currently too hot to bathe (temps change over time) but worth seeing.
A small lava cave near Mývatn with a thermal spring inside. Famous from Game of Thrones. Beautiful to see even if you can't bathe.
Steam rises from blue water beneath lava formations. The cave is intimate, mystical. The Game of Thrones fame brought crowds, but it's still atmospheric.
Locals bathed here for decades until volcanic activity in the 1970s-80s raised the water temperature too high. It has cooled somewhat but is still unpredictable.
Currently too hot for comfortable bathing — temperatures vary. Free to visit. Respect the 'no swimming' signs. The cave is beautiful regardless. Best experienced on a Mývatn day trip.
Drive: Good
Visit now
30 min stop
Ring Road 1Checking…
F-roadsOpen
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Entry: Free
Parking: Free
No booking
Entry feeFree
ParkingFree
BookingNot needed
Getting thereCar recommended
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Blue hour—Cars & campers
KEF airport pickup 24/74.8
Toyota RAV4
Heated seats for winter waterfall runs, range for highland summer loops.
TransmissionAutomatic
FuelHybrid
Seats5
DriveAWD
VW Caravelle
Whole family or friend group in one car — gear in the back, room to stretch.
TransmissionAutomaticFuelDieselSeats9Drive2WD
Key Camper Wild Duo
Sleep right by the trailhead, wake up at the falls — F-road ready from mid-June.
TransmissionManualFuelPetrol
Sleeps2Drive4WDTours near Grjótagjá
Small groups
Akureyri Whale Watching
Humpbacks and dolphins in Eyjafjörður — the classic North-Iceland outing.
Duration3 hours
PickupAkureyri
HighlightsEyjafjörður
TypeBoat tour
Glacier & Golden Circle
Snowmobile across a glacier, then hit the Golden Circle classics.
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ActivitySnowmobile
VehicleSuper JeepPhotos
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Services