Green Valley Lake was artificially created in 1926 with the construction of the Green Valley Dam and makes the lake approximately 9 acres (36,000 m2) in size. The lake is not connected to any stream or river and is only fed by rain and snow. Fish are regularly stocked from May - August and freezes over the winter.

Fishing is $15.00 for adults, an extra $1 for another pole (two is max). $8 for children 4-15. Trout are the main action here. They are stocked regularly by the Department of Fish & Game and private hatcheries from the Eastern Sierra area. There are also Bass, Catfish, and Crappie in the lake.

The lake record rainbow trout is 13 pounds, 3 ounces.

The best baits for this lake