Alto Lake fishing

Common questions

What fish are at Alto Lake?

Fishing Alto Lake is most likely to be for Rainbow Trout. Rainbow Trout accounts for 63 of 80 plants on record, ahead of Channel Catfish and 2 more. Rainbow Trout was last stocked June 8, 2026, averaging 10.7 in. Channel Catfish was last stocked June 30, 2026, averaging 18 in. Cutthroat Trout was last stocked October 6, 2020, averaging 10.9 in. Largemouth Bass was last stocked October 5, 2020, averaging 6.2 in.

When is Alto Lake stocked?

Last stocked June 30, 2026. It is stocked about 10 times a year since 2019, most often in February and May. The first plant of the year usually falls in the second week of February. In 2026 it was January 14, 2026, earlier than usual.

How big are the fish stocked at Alto Lake?

Stocked fish average 12 in. Rainbow Trout average 10.7 in. Channel Catfish average 18 in. Cutthroat Trout average 10.9 in. Largemouth Bass average 6.2 in.

Which lakes near Alto Lake were stocked more recently?

Grindstone Reservoir (4.5 mi) and Hondo River (LOWER) (57.3 mi) were stocked more recently. Grindstone Reservoir is also stocked with Rainbow Trout, Cutthroat Trout, and Channel Catfish and Hondo River (LOWER) is also stocked with Rainbow Trout.

How Alto Lake is stocked

The first plant of the year usually falls in the second week of February. In 2026 it was January 14, 2026, earlier than usual.

Grindstone Reservoir (4.5 mi) and Hondo River (LOWER) (57.3 mi) were stocked more recently. Grindstone Reservoir is also stocked with Rainbow Trout, Cutthroat Trout, and Channel Catfish and Hondo River (LOWER) is also stocked with Rainbow Trout.