Rainbow Trout Stocked · 15 plants · last 2025 Best: dawn, dusk Lost Lake fishing
Lost Lake fishing is stocked with Rainbow Trout and Brown Trout on a natural lake. Also recorded: Smallmouth Bass. It is stocked about 1.5 times a year since 2011. Species guides list dawn and dusk for Rainbow Trout and Smallmouth Bass and dawn, day, and dusk for Brown Trout.
- Last stocked
- 2025
- Brown Trout
- Plants on record
- 22
- Since 2011
- Species stocked
- 2 (+1 also recorded)
- Average size
- 8.9 in
- Surface acres
- 81
Fish at Lost Lake
Rainbow Trout Stocked · 15 plants · last 2025 Best: dawn, dusk 
Brown Trout Stocked · 7 plants · last 2025 Best: dawn, day, dusk 
Smallmouth Bass Confirmed present Best: dawn, dusk Best: dawn, dusk
Smallmouth Bass species guideLost Lake is an 84-acre lake in Florence County, with a maximum depth of 45 feet. Visitors can access the lake from a public boat landing. This lake has Smallmouth Bass and Trout available for fishing. The water clarity in Lost Lake is very clear. (apps.dnr.wi.gov, accessed September 22, 2026)
Drafted by AI from the cited sources and checked before publishing.
How Lost Lake is stocked
About 859 reported fish per acre, the most of 4 lakes in Florence County with both a fish count and a surface area.
Fish stocked in 2011
3,726
Fish stocked in 2012
3,800
Fish stocked in 2013
4,800
Fish stocked in 2014
3,018
Fish stocked in 2015
4,257
Fish stocked in 2016
2,563
Fish stocked in 2017
3,564
Fish stocked in 2018
4,367
Fish stocked in 2019
4,943
Fish stocked in 2020
5,684
Fish stocked in 2021
7,200
Fish stocked in 2022
5,000
Fish stocked in 2023
5,080
Fish stocked in 2024
5,000
Fish stocked in 2025
6,600
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| 2025 | Brown Trout | 2,750 | 9 in | report |
| 2025 | Rainbow Trout | 3,850 | 8.4 in | report |
| 2024 | Brown Trout | 3,000 | 8.6 in | report |
| 2024 | Rainbow Trout | 2,000 | 8.7 in | report |
| 2023 | Rainbow Trout | 2,250 | 8.9 in | report |
| 2023 | Brown Trout | 2,830 | 9 in | report |
| 2022 | Brown Trout | 2,500 | 9 in | report |
| 2022 | Rainbow Trout | 2,500 | 8.8 in | report |
| 2021 | Brown Trout | 4,200 | 8.7 in | report |
| 2021 | Rainbow Trout | 3,000 | 9.1 in | report |
| 2020 | Rainbow Trout | 5,684 | 8.5 in | report |
| 2019 | Rainbow Trout | 2,243 | 9.1 in | report |
| 2019 | Brown Trout | 2,700 | 9.1 in | report |
| 2018 | Brown Trout | 2,251 | 9 in | report |
| 2018 | Rainbow Trout | 2,116 | 9 in | report |
| 2017 | Rainbow Trout | 3,564 | 9.6 in | report |
| 2016 | Rainbow Trout | 2,563 | 9 in | report |
| 2015 | Rainbow Trout | 4,257 | 9 in | report |
| 2014 | Rainbow Trout | 3,018 | 9.3 in | report |
| 2013 | Rainbow Trout | 4,800 | 9 in | report |
| 2012 | Rainbow Trout | 3,800 | 8.9 in | report |
| 2011 | Rainbow Trout | 3,726 | 9 in | report |
Access and facts
- Water type
- natural lake
- Nearest town
- Town of Long Lake, WI
- Facilities
- camping, restrooms
USFS Lost Lake Recreation Area, off Hwy 70 about 20 miles west of Florence, sits on the north shore with a 27-site campground, picnic area, beach and boat access. DNR lists a one-lane gravel launch with vault toilet and a launch fee; no dock. Clear, 84 acres, max depth 45 ft.
Drafted by AI from the cited sources and checked before publishing.
Advisories, closures, regulations and water conditions change. Check the Wisconsin Department of Natural Resources before you go.
Nearest lakes
Common questions
What fish are at Lost Lake?
Fishing Lost Lake usually means Rainbow Trout: Rainbow Trout accounts for 15 of 22 plants on record, ahead of Brown Trout. Rainbow Trout was last stocked 2025, averaging 9 in. Brown Trout was last stocked 2025, averaging 8.9 in. Smallmouth Bass is recorded here outside the stocking reports.
When is Lost Lake stocked?
Last stocked 2025. It is stocked about 1.5 times a year since 2011. About 859 reported fish per acre, the most of 4 lakes in Florence County with both a fish count and a surface area.
How big are the fish stocked at Lost Lake?
Stocked fish average 8.9 in. Rainbow Trout average 9 in. Brown Trout average 8.9 in.
How do you get on Lost Lake?
The nearest town is Town of Long Lake, WI. Facilities include camping and restrooms. USFS Lost Lake Recreation Area, off Hwy 70 about 20 miles west of Florence, sits on the north shore with a 27-site campground, picnic area, beach and boat access. DNR lists a one-lane gravel launch with vault toilet and a launch fee; no dock. Clear, 84 acres, max depth 45 ft.