Þórisvatn is the largest lake in Iceland, measuring at an average of 86 square kilometers. It is found between Kaldakvísl and Hraunvatn in the highlands. To the south of the lake is a long head, Útigönguhöfði, which separates in to two bays. To the east is Austurbotnar, while the majority of the water lies to the west.
In 1971 a hydroelectric dam was built to harness power from glacial rivers flowing in to the lake. Prior to this it was the second largest lake in Iceland behind Þingvallavatn.
The lake has a maximum depth of 109 meters, and it’s surface height varies throughout the season with an average of 16.5 meters.
This lake has a healthy population of resident trout, with the best fishing found at Austurbotn and Grasatanga.
Fly fishing, spinning, and bait are allowed.
Distance from Reykjavík:
While area is accessible
Number of rods:
Fly, Spinner, Bait
The best flies:
Streamer, Nymph, Dry