Tingvellir is a natural wonder on a international scale, with the geologic history and the biosystem of Lake Tingvallavatn forming a unique entity, a magnificent showcase. Being able to witness the evolution and formation of new species in a place like Lake Tingvallavatn is of immense value. The Tingvellir area is part of a fissure zone running through Iceland, being situated on the tectonic plate boundaries of the Mid-Atlantic Ridge. The faults and fissures of the area make evident the rifting of the earth's crust. Tingvellir is on the UNESCO World Heritage List.

Freshwater Ecoregion of the World : #401 Iceland - Jan Mayen
Major Habitat Type: polar freshwaters