Lake Hattie fishing

Lake Hattie fishing is stocked with Kokanee Salmon, Cutthroat Trout, Brown Trout, and Rainbow Trout on a reservoir. Also recorded: Yellow Perch. It is stocked about 5.2 times a year since 2017, most often in April and September. Species guides list dawn and dusk for Kokanee Salmon and Rainbow Trout and dawn, day, and dusk for Brown Trout and Yellow Perch.

Lake Hattie
Photo: Tony Webster, CC BY 2.0
Last stocked
September 2026
Rainbow Trout
Plants on record
52
Since 2017
Species stocked
4 (+1 also recorded)
Average size
5.4 in
Elevation
7,272 ft

Fish at Lake Hattie

4 stocked · 1 confirmed present

Rainbow Trout Stocked · 20 plants · last September 2026 Best: dawn, dusk

Last stocked September 2026 · avg 7 in · 20 plants

Best: dawn, dusk

Rainbow Trout species guide
Kokanee Salmon Stocked · 11 plants · last May 2025 Best: dawn, dusk

Last stocked May 2025 · avg 3.2 in · 11 plants

Best: dawn, dusk

Kokanee Salmon species guide
Brown Trout Stocked · 8 plants · last October 2025 Best: dawn, day, dusk

Last stocked October 2025 · avg 6.3 in · 8 plants

Best: dawn, day, dusk

Brown Trout species guide

How Lake Hattie is stocked

Source: Wyoming Game and Fish Department.

Fish stocked in 2017

3,949

Fish stocked in 2018

350,058

Fish stocked in 2019

178,460

Fish stocked in 2020

157,581

Fish stocked in 2021

196,033

Fish stocked in 2022

174,422

Fish stocked in 2023

142,412

Fish stocked in 2024

141,641

Fish stocked in 2025

135,715

Fish stocked in 2026

77,643

Stocking history

Source: Wyoming Game and Fish Department.
Date Species Quantity Avg. length Source
September 2026Rainbow Trout30,7347.1 inreport
April 2026Rainbow Trout26,9417.7 inreport
March 2026Cutthroat Trout19,9684.4 inreport
October 2025Brown Trout5,0157.1 inreport
September 2025Rainbow Trout29,8687 inreport
May 2025Kokanee Salmon50,1613 inreport
April 2025Rainbow Trout28,7938.4 inreport
April 2025Cutthroat Trout21,8785.4 inreport
October 2024Brown Trout5,5146.1 inreport
September 2024Rainbow Trout20,1167.2 inreport
May 2024Kokanee Salmon75,6962.7 inreport
April 2024Rainbow Trout20,2937.9 inreport
April 2024Cutthroat Trout20,0224.3 inreport
September 2023Rainbow Trout19,2837.4 inreport
June 2023Kokanee Salmon4,9373 inreport
June 2023Brown Trout5,0024.1 inreport
May 2023Kokanee Salmon75,0242.7 inreport
April 2023Rainbow Trout19,7707.4 inreport
April 2023Cutthroat Trout18,3964.7 inreport
September 2022Rainbow Trout20,5746.7 inreport
July 2022Rainbow Trout2,7303.1 inreport
July 2022Cutthroat Trout6,4622.3 inreport
June 2022Kokanee Salmon67,5692.2 inreport
May 2022Rainbow Trout10,2566.7 inreport
April 2022Rainbow Trout40,4416.9 inreport
April 2022Brown Trout4,5036.5 inreport
March 2022Cutthroat Trout21,8874.1 inreport
September 2021Rainbow Trout40,0946.7 inreport
September 2021Cutthroat Trout10,0172.4 inreport
June 2021Kokanee Salmon75,1842.6 inreport
June 2021Rainbow Trout4,0269.1 inreport
May 2021Brown Trout4,4996.9 inreport
April 2021Rainbow Trout40,2377.7 inreport
April 2021Cutthroat Trout21,9764.1 inreport
October 2020Cutthroat Trout8,9615 inreport
September 2020Rainbow Trout35,9136.8 inreport
May 2020Kokanee Salmon50,1943 inreport
April 2020Brown Trout4,9976.4 inreport
April 2020Cutthroat Trout18,0003.9 inreport
March 2020Rainbow Trout39,5167.9 inreport
September 2019Rainbow Trout40,2637.7 inreport
July 2019Cutthroat Trout9927.8 inreport
June 2019Kokanee Salmon47,3803.2 inreport
May 2019Kokanee Salmon24,9922.9 inreport
April 2019Rainbow Trout40,0777.6 inreport
April 2019Brown Trout2,7606.2 inreport
April 2019Cutthroat Trout21,9963.8 inreport
May 2018Kokanee Salmon50,0003.5 inreport
April 2018Rainbow Trout249,9113.4 inreport
April 2018Brown Trout5,0007.1 inreport
April 2018Cutthroat Trout45,1474.5 inreport
October 1, 2017Kokanee Salmon3,9496.2 inreport

Access and facts

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

WGFD's Lake Hattie access area is 5.5 miles north of Harmony on WY 230, with a parking area, outhouse, boat ramp, dock and over half a mile of shoreline to fish. BLM route from Laramie: WY 230, Pahlow Ln (CR 422), Rodeo Rd (CR 424), then Lake Hattie Rd (CR 45). BLM permits dispersed camping.

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 Lake Hattie

Photo of Lake Hattie
Tony Webster, CC BY 2.0
Photo of Lake Hattie
Zach Dischner, CC BY 2.0

Nearest lakes

Sodergreen Lake 5.2 mi last stocked May 2026 Twin Buttes Lake 5.8 mi last stocked September 2026 Gelatt Lake 7 mi last stocked April 2026 Meeboer Lake 7.9 mi last stocked April 2026 Lake Owen 8.9 mi last stocked June 2026

Common questions

What fish are at Lake Hattie?

Fishing Lake Hattie usually means Rainbow Trout: Rainbow Trout accounts for 20 of 52 plants on record, ahead of Cutthroat Trout and 2 more. Rainbow Trout was last stocked September 2026, averaging 7 in. Cutthroat Trout was last stocked March 2026, averaging 4.4 in. Kokanee Salmon was last stocked May 2025, averaging 3.2 in. Brown Trout was last stocked October 2025, averaging 6.3 in. Yellow Perch is recorded here outside the stocking reports.

When is Lake Hattie stocked?

Last stocked September 2026. It is stocked about 5.2 times a year since 2017, most often in April and September.

How big are the fish stocked at Lake Hattie?

Stocked fish average 5.4 in. Rainbow Trout average 7 in. Cutthroat Trout average 4.4 in. Kokanee Salmon average 3.2 in. Brown Trout average 6.3 in.

How do you get on Lake Hattie?

The nearest town is Laramie, WY. Facilities include camping, restrooms, and dock. WGFD's Lake Hattie access area is 5.5 miles north of Harmony on WY 230, with a parking area, outhouse, boat ramp, dock and over half a mile of shoreline to fish. BLM route from Laramie: WY 230, Pahlow Ln (CR 422), Rodeo Rd (CR 424), then Lake Hattie Rd (CR 45). BLM permits dispersed camping.

Sources (6) +