A Ramsar site with five sub-reserves, Norway's most important inland area for migrating birds after Nordre Øyeren. Up to 4,500 Pink-footed Geese stage here in April.
See live sightings at Nordre Tyrifjorden våtmarkssystem →
Explore more of Fågelkartan's English content: bird species guides, top birdwatching sites and country guides for the Nordics — plus the live observation map.