Sandkluftavatn is a seasonal lake located between Kaldidalur highland road and Thingvellir (Þingvellir) National Park.
You can drive from Þingvellir national park to Húsafell and Hraunfossar in Borgarfjörður by taking the Kaldidalur mountain road. This road is only open during the summer months and is closed during winter.
Close to Húsafell you´ll find www.intotheglacier.is which is the world´s largest man made icetunnel.