Costilla River fishing

Common questions

What fish are at Costilla River?

Fishing Costilla River is most likely to be for Rainbow Trout. Rainbow Trout accounts for 47 of 48 plants on record, ahead of Cutthroat Trout. Rainbow Trout was last stocked July 24, 2026, averaging 10.3 in. Cutthroat Trout was last stocked April 15, 2021, averaging 9.8 in.

When is Costilla River stocked?

Last stocked July 24, 2026. It is stocked about 6.9 times a year since 2020, most often in June and July. The first plant of the year usually falls in the third week of April. In 2026 it was May 6, 2026, later than usual. No plants recorded in 2022.

How big are the fish stocked at Costilla River?

Stocked fish average 10.3 in. Rainbow Trout average 10.3 in. Cutthroat Trout average 9.8 in.

Which lakes near Costilla River were stocked more recently?

Red River (below Questa) (23 mi) was stocked more recently. Red River (below Questa) is also stocked with Rainbow Trout and Cutthroat Trout.

How Costilla River is stocked

The first plant of the year usually falls in the third week of April. In 2026 it was May 6, 2026, later than usual.

No plants recorded in 2022.

Red River (below Questa) (23 mi) was stocked more recently. Red River (below Questa) is also stocked with Rainbow Trout and Cutthroat Trout.