Costilla River fishing

Costilla River fishing has Rainbow Trout and Cutthroat Trout on the stocking report. It is stocked about 6.9 times a year since 2020, most often in June and July. Species guides list dawn and dusk as the active times.

AI-generated illustration, not a photo of this lake
Last stocked
October 5, 2026
· Rainbow Trout
Plants on record
49
Since 2020
Species recorded
2
Average size
10.3 in
Elevation
7,378.6 ft

Fish at Costilla River

2 stocked · 0 confirmed present

Rainbow Trout Stocked · 47 plants · last July 24, 2026 Best: dawn, dusk

Last stocked July 24, 2026 · avg 10.3 in · 47 plants

Best: dawn, dusk

Rainbow Trout species guide

How Costilla River is stocked

Source: New Mexico Department of Game and Fish.

No plants recorded in 2022.

Fish stocked in 2020

2,798

Fish stocked in 2021

6,665

Fish stocked in 2023

639

Fish stocked in 2024

3,285

Fish stocked in 2025

4,898

Fish stocked in 2026

2,400

Stocking history

Source: New Mexico Department of Game and Fish.
Date Species Quantity Avg. length Source
October 5, 2026Rainbow Trout40110.4 inreport
July 24, 2026Rainbow Trout40010 inreport
July 10, 2026Rainbow Trout40110.3 inreport
June 25, 2026Rainbow Trout40010.5 inreport
June 3, 2026Rainbow Trout40010.2 inreport
May 19, 2026Rainbow Trout40010.4 inreport
May 6, 2026Rainbow Trout39910.1 inreport
October 8, 2025Rainbow Trout40010.1 inreport
September 25, 2025Rainbow Trout40010.8 inreport
September 8, 2025Rainbow Trout40010.2 inreport
August 25, 2025Rainbow Trout40010.4 inreport
August 12, 2025Rainbow Trout40010.6 inreport
July 17, 2025Rainbow Trout50210.3 inreport
July 3, 2025Rainbow Trout39910.1 inreport
June 26, 2025Rainbow Trout39910.1 inreport
June 3, 2025Rainbow Trout40010.2 inreport
May 30, 2025Rainbow Trout39910.5 inreport
May 12, 2025Rainbow Trout40010.4 inreport
April 16, 2025Rainbow Trout39910.1 inreport
October 10, 2024Rainbow Trout48111 inreport
September 26, 2024Rainbow Trout40010.2 inreport
September 12, 2024Rainbow Trout40210.1 inreport
August 27, 2024Rainbow Trout40010.1 inreport
August 13, 2024Rainbow Trout40110.2 inreport
July 18, 2024Rainbow Trout40010.1 inreport
July 9, 2024Rainbow Trout40010.3 inreport
June 24, 2024Rainbow Trout40110.1 inreport
May 3, 2023Rainbow Trout31910.4 inreport
April 17, 2023Rainbow Trout32010 inreport
October 14, 2021Rainbow Trout29910.1 inreport
September 28, 2021Rainbow Trout30010.7 inreport
September 22, 2021Rainbow Trout40010.5 inreport
August 24, 2021Rainbow Trout40011.3 inreport
August 10, 2021Rainbow Trout40011.1 inreport
July 19, 2021Rainbow Trout40011.4 inreport
July 7, 2021Rainbow Trout40010 inreport
June 22, 2021Rainbow Trout40010.4 inreport
June 1, 2021Rainbow Trout4009.7 inreport
May 25, 2021Rainbow Trout40110.3 inreport
May 3, 2021Rainbow Trout4009.3 inreport
April 21, 2021Rainbow Trout4009.3 inreport
April 15, 2021Cutthroat Trout2,0659.8 inreport
October 14, 2020Rainbow Trout39911 inreport
September 23, 2020Rainbow Trout39910.9 inreport
September 2, 2020Rainbow Trout40210.2 inreport
August 24, 2020Rainbow Trout40010.3 inreport
July 21, 2020Rainbow Trout3979.7 inreport
July 8, 2020Rainbow Trout3999.6 inreport
June 25, 2020Rainbow Trout4029.8 inreport

Access and facts

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Advisories, closures, regulations and water conditions change. Check the New Mexico Department of Game and Fish before you go.

Nearest lakes

Eagle Rock Lake 20.7 mi last stocked October 1, 2026 Red River (above Questa) 20.8 mi last stocked July 21, 2026 Red River (below Questa) 22 mi last stocked September 14, 2026 Red River West Fork 30.7 mi last stocked July 14, 2026 Shuree Ponds 32.3 mi last stocked July 16, 2026

Common questions

What fish are at Costilla River?

Fishing Costilla River usually means 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 October 5, 2026. It is stocked about 6.9 times a year since 2020, most often in June and July. 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?

Eagle Rock Lake (20.7 mi) and Red River (below Questa) (22 mi) were stocked more recently. Eagle Rock Lake is also stocked with Rainbow Trout and Cutthroat Trout and Red River (below Questa) is also stocked with Rainbow Trout and Cutthroat Trout.