ReelTourney

Costilla River Fishing and Stocking

New Mexico. The New Mexico Department of Game and Fish lists 7 stockings here in the latest year of its data (Rainbow Trout), the most recent on Oct 5, 2026. Stocked in May, June, July, August, September and October in two or more years.

2026 Stocking

DateSpeciesFishSize
Oct 5, 2026Rainbow Trout40110.4 in
Jul 24, 2026Rainbow Trout40010.0 in
Jul 10, 2026Rainbow Trout40110.3 in
Jun 25, 2026Rainbow Trout40010.5 in
Jun 3, 2026Rainbow Trout40010.2 in
May 19, 2026Rainbow Trout40010.4 in
May 6, 2026Rainbow Trout39910.1 in

2025 Stocking

DateSpeciesFishSize
Oct 8, 2025Rainbow Trout40010.1 in
Sep 25, 2025Rainbow Trout40010.8 in
Sep 8, 2025Rainbow Trout40010.2 in
Aug 25, 2025Rainbow Trout40010.4 in
Aug 12, 2025Rainbow Trout40010.6 in
Jul 17, 2025Rainbow Trout50210.3 in
Jun 26, 2025Rainbow Trout39910.1 in
Jun 3, 2025Rainbow Trout40010.2 in
May 30, 2025Rainbow Trout39910.5 in
May 12, 2025Rainbow Trout40010.4 in

2024 Stocking

DateSpeciesFishSize
Oct 10, 2024Rainbow Trout48111.0 in
Sep 26, 2024Rainbow Trout40010.2 in
Sep 12, 2024Rainbow Trout40210.1 in
Aug 27, 2024Rainbow Trout40010.1 in
Aug 13, 2024Rainbow Trout40110.2 in
Jul 18, 2024Rainbow Trout40010.1 in
Jul 9, 2024Rainbow Trout40010.3 in
Jun 24, 2024Rainbow Trout40110.1 in

About This Data

Every row comes from the stocking information published by the New Mexico Department of Game and Fish, checked Nov 3, 2026. The agency lists this water as “COSTILLA RIVER”. Species and sizes are given as the agency names them; a dash means the agency does not say.

More for New Mexico Anglers

Stocking dates and places can change without notice; check with the agency before a trip. ReelTourney is not affiliated with the New Mexico Department of Game and Fish.