South Gap Lake fishing

South Gap Lake fishing is stocked with Cutthroat Trout and Rainbow Trout on a high alpine lake. It is stocked about once a year since 2018, most often in July and August. Species guides list dawn and dusk as the active times.

AI-generated illustration, not a photo of this lake
Last stocked
August 2025
Rainbow Trout
Plants on record
8
Since 2018
Species recorded
2
Average size
2.4 in
Elevation
10,973 ft

Fish at South Gap Lake

2 stocked · 0 confirmed present

Rainbow Trout Stocked · 4 plants · last August 2025 Best: dawn, dusk

Last stocked August 2025 · avg 2.5 in · 4 plants

Best: dawn, dusk

Rainbow Trout species guide

How South Gap Lake is stocked

Source: Wyoming Game and Fish Department.

No plants recorded in 2019, 2021, 2022, and 2024.

Fish stocked in 2018

5,020

Fish stocked in 2020

5,096

Fish stocked in 2023

5,016

Fish stocked in 2025

5,224

Stocking history

Source: Wyoming Game and Fish Department.
Date Species Quantity Avg. length Source
August 2025Rainbow Trout2,7402.4 inreport
July 2025Cutthroat Trout2,4842.3 inreport
July 2023Rainbow Trout2,5002.4 inreport
July 2023Cutthroat Trout2,5162 inreport
July 2020Rainbow Trout2,4962.5 inreport
July 2020Cutthroat Trout2,6002.4 inreport
August 2018Rainbow Trout2,5002.7 inreport
August 2018Cutthroat Trout2,5202.4 inreport

Access and facts

Water type
high alpine

Hike-in only: the Gap Lakes trail (North Gap Lake Trail #108) leaves the Lewis Lake trailhead and reaches South Gap in about 1 mile, climbing over boulder fields. The trail usually doesn't open until mid-July and closes when the Snowy Range byway does in mid-November. About 44 acres, 70 feet deep.

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

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

Nearest lakes

Lewis Lake 0.7 mi last stocked September 2024 Scott Lake 1.3 mi last stocked August 2025 Lost Lake 1.6 mi last stocked July 2025 Lookout Lake 1.9 mi last stocked July 2025 Mirror Lake 2.4 mi last stocked July 2026

Common questions

What fish are at South Gap Lake?

Fishing South Gap Lake is as likely for Cutthroat Trout and Rainbow Trout. Each accounts for 4 of 8 plants on record. Cutthroat Trout was last stocked July 2025, averaging 2.3 in. Rainbow Trout was last stocked August 2025, averaging 2.5 in.

When is South Gap Lake stocked?

Last stocked August 2025. It is stocked about once a year since 2018, most often in July and August. No plants recorded in 2019, 2021, 2022, and 2024.

How big are the fish stocked at South Gap Lake?

Stocked fish average 2.4 in. Cutthroat Trout average 2.3 in. Rainbow Trout average 2.5 in.

How do you get on South Gap Lake?

Hike-in only: the Gap Lakes trail (North Gap Lake Trail #108) leaves the Lewis Lake trailhead and reaches South Gap in about 1 mile, climbing over boulder fields. The trail usually doesn't open until mid-July and closes when the Snowy Range byway does in mid-November. About 44 acres, 70 feet deep.

Which lakes near South Gap Lake were stocked more recently?

Mirror Lake (2.4 mi) was stocked more recently. Mirror Lake is also stocked with Rainbow Trout and Cutthroat Trout.

Sources (2) +