Seminoe Reservoir fishing

Seminoe Reservoir fishing is stocked with Rainbow Trout and Cutthroat Trout on a reservoir. Also recorded: Walleye and Brown Trout. It is stocked about 2.6 times a year since 2016, most often in October and November. Species guides list dawn and dusk for Rainbow Trout, dawn, dusk, and night for Walleye, and dawn, day, and dusk for Brown Trout.

Seminoe Reservoir
Photo: Unknown author, vintage postcard (Newberry Library collection), Public domain
Last stocked
November 2025
Rainbow Trout
Plants on record
26
Since 2016
Species stocked
2 (+2 also recorded)
Average size
7.3 in
Surface acres
20,291
Elevation
6,362 ft

Fish at Seminoe Reservoir

2 stocked · 2 confirmed present

Rainbow Trout Stocked · 20 plants · last November 2025 Best: dawn, dusk

Last stocked November 2025 · avg 8.2 in · 20 plants

Best: dawn, dusk

Rainbow Trout species guide

How Seminoe Reservoir is stocked

Source: Wyoming Game and Fish Department.

Dome Rock Reservoir (12.9 mi), Pathfinder Reservoir (21.8 mi), Alcova Reservoir (28.8 mi), and Beulah Belle Lake (29.7 mi) were stocked more recently. Dome Rock Reservoir is also stocked with Cutthroat Trout, Pathfinder Reservoir is also stocked with Rainbow Trout and Cutthroat Trout, Alcova Reservoir is also stocked with Cutthroat Trout and Rainbow Trout, and Beulah Belle Lake is also stocked with Rainbow Trout and Cutthroat Trout.

Fish stocked in 2016

164,184

Fish stocked in 2017

84,646

Fish stocked in 2018

171,455

Fish stocked in 2019

196,732

Fish stocked in 2020

170,820

Fish stocked in 2021

163,853

Fish stocked in 2022

180,022

Fish stocked in 2023

208,444

Fish stocked in 2024

176,233

Fish stocked in 2025

178,777

Stocking history

Source: Wyoming Game and Fish Department.
Date Species Quantity Avg. length Source
November 2025Rainbow Trout82,5228.6 inreport
October 2025Rainbow Trout64,9058.4 inreport
October 2025Cutthroat Trout31,3504 inreport
November 2024Rainbow Trout145,8468.3 inreport
November 2024Cutthroat Trout30,3874.2 inreport
November 2023Rainbow Trout18,4407.9 inreport
October 2023Rainbow Trout91,5838.5 inreport
October 2023Cutthroat Trout29,9993.9 inreport
September 2023Rainbow Trout41,1657.6 inreport
May 2023Rainbow Trout27,2577 inreport
November 2022Rainbow Trout120,8647.6 inreport
October 2022Rainbow Trout16,0067.1 inreport
October 2022Cutthroat Trout33,0023.7 inreport
January 2022Rainbow Trout10,1507.9 inreport
November 2021Rainbow Trout98,4638.2 inreport
October 2021Rainbow Trout32,4137.4 inreport
October 2021Cutthroat Trout32,9773 inreport
November 2020Rainbow Trout76,5668.2 inreport
October 2020Rainbow Trout64,8668.7 inreport
September 2020Rainbow Trout29,3886.9 inreport
October 2019Rainbow Trout166,6848.9 inreport
June 2019Cutthroat Trout30,0488.4 inreport
October 2018Rainbow Trout171,4558.8 inreport
October 2017Rainbow Trout84,6469.1 inreport
November 2016Rainbow Trout13,1509.2 inreport
October 2016Rainbow Trout151,0349.3 inreport

Access and facts

Water type
reservoir
Nearest town
Sinclair, WY
Facilities
camping, dock, restrooms

Seminoe State Park on the northwest side has boat ramps and docks at North Red Hills and South Red Hills, plus reservable campgrounds at North Red Hills, South Red Hills and Sunshine Beach. WGFD's Medicine Bow Arm access, 22 miles northwest of Hanna, adds a ramp and comfort station.

Drafted by AI from the cited sources and checked before publishing.

View larger map · Open in Google Maps · Directions

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

About Seminoe Reservoir

Anglers should be aware that access to the shoreline is limited and can sometimes be difficult because of the lack of development and its distance from major cities. (en.wikipedia.org, accessed September 22, 2026)

Drafted by AI from the cited sources and checked before publishing.

Photo of Seminoe Reservoir
Unknown author, vintage postcard (Newberry Library collection), Public domain
Photo of Seminoe Reservoir
Bureau of Reclamation, CC BY-SA 2.0
Photo of Seminoe Reservoir
Bureau of Land Management (mypubliclands), Public domain

Nearest lakes

Dome Rock Reservoir 12.9 mi last stocked April 2026 Pathfinder Reservoir 21.8 mi last stocked July 2026 Shirley Basin Reservoir 28.2 mi last stocked April 2025 Alcova Reservoir 28.8 mi last stocked July 2026 Beulah Belle Lake 29.7 mi last stocked April 2026

Public land at Seminoe Reservoir

Seminoe Reservoir is inside Seminoe State Park.

Boundaries from Public Lands DB, part of the same network.

Common questions

What fish are at Seminoe Reservoir?

Fishing Seminoe Reservoir usually means Rainbow Trout: Rainbow Trout accounts for 20 of 26 plants on record, ahead of Cutthroat Trout. Rainbow Trout was last stocked November 2025, averaging 8.2 in. Cutthroat Trout was last stocked October 2025, averaging 4.5 in. Walleye and Brown Trout are recorded here outside the stocking reports.

When is Seminoe Reservoir stocked?

Last stocked November 2025. It is stocked about 2.6 times a year since 2016, most often in October and November.

How big are the fish stocked at Seminoe Reservoir?

Stocked fish average 7.3 in. Rainbow Trout average 8.2 in. Cutthroat Trout average 4.5 in.

How do you get on Seminoe Reservoir?

The nearest town is Sinclair, WY. Facilities include camping, dock, and restrooms. Seminoe State Park on the northwest side has boat ramps and docks at North Red Hills and South Red Hills, plus reservable campgrounds at North Red Hills, South Red Hills and Sunshine Beach. WGFD's Medicine Bow Arm access, 22 miles northwest of Hanna, adds a ramp and comfort station.

Which lakes near Seminoe Reservoir were stocked more recently?

Dome Rock Reservoir (12.9 mi), Pathfinder Reservoir (21.8 mi), Alcova Reservoir (28.8 mi), and Beulah Belle Lake (29.7 mi) were stocked more recently. Dome Rock Reservoir is also stocked with Cutthroat Trout, Pathfinder Reservoir is also stocked with Rainbow Trout and Cutthroat Trout, Alcova Reservoir is also stocked with Cutthroat Trout and Rainbow Trout, and Beulah Belle Lake is also stocked with Rainbow Trout and Cutthroat Trout.

Sources (8) +