Lost Man Reservoir trout stocking
Pitkin County, Colorado · lake · 10,583 ft elevation
Lost Man Reservoir was last stocked 3 months ago (Jul 3 to 9, 2026). We have 21 stockings on record since Jun 23, 2015, 2 in the last 12 months. Most stockings come in June to July.
- Number 4 of 9 stocked waters in Pitkin County by stocking days.
- Stocked more often than 73% of Colorado waters on our record.
River conditions
USGS gage: ROARING FORK RIVER ABV LOST MAN CR NEAR ASPEN, CO (1 km away).
- Flow
- 4 cfs
- about normal for the last six weeks
- Gage height
- 1.17 ft
Latest reading Sep 29, 2026, 12:15 AM UTC. USGS data are provisional. Gage page at USGS.
Weather at Lost Man Reservoir
- Tonight34°FRain Showers82% rain · wind 0 to 5 mph
- Tuesday49°FChance Rain Showers49% rain · wind 0 to 5 mph
- Tuesday Night35°FShowers And Thunderstorms Likely71% rain · wind 5 mph
- Wednesday46°FRain Showers77% rain · wind 5 mph
- Wednesday Night30°FSlight Chance T-storms then Mostly Cloudy38% rain · wind 5 to 10 mph
- Thursday52°FMostly Sunny1% rain · wind 0 to 5 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Lost Man Reservoir stocked?
Most stockings come in June to July.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | ||||||||||
| 2025 | 1 | 1 | ||||||||||
| 2024 | 1 | |||||||||||
| 2023 | 1 | 1 | ||||||||||
| 2022 | 1 | |||||||||||
| 2021 | 1 | |||||||||||
| 2020 | 1 | |||||||||||
| 2019 | 1 | 1 | 1 |
Stocking history
20262 stockings
| Date | Species | Since previous |
|---|---|---|
Week of Jul 3Latest Jul 3 to Jul 9 | Trout | 6 weeks |
Week of May 22 May 22 to May 28 | Trout | 44 weeks |
20252 stockings
| Date | Species | Since previous |
|---|---|---|
Week of Jul 18 Jul 18 to Jul 24 | Trout | 4 weeks |
Week of Jun 20 Jun 20 to Jun 26 | Trout | 297 days |
20241 stocking
| Date | Species | Since previous |
|---|---|---|
Week of Aug 27 Aug 27 to Sep 2 | Trout | 403 days |
20232 stockings
- Week of Jul 21 trout
- Week of Jun 23 trout
20221 stocking
- Week of Jun 17 trout
20211 stocking
- Week of Jul 20 trout
20201 stocking
- Week of Jul 29 trout
20193 stockings
- Week of Sep 6 trout
- Week of Aug 6 trout
- Week of Jul 9 trout
20182 stockings
- Week of Jul 18 trout
- Week of Jun 13 trout
20171 stocking
- Week of Jun 23 trout
20162 stockings
- Week of Oct 25 trout
- Week of Jul 12 trout
20153 stockings
- Week of Sep 29 trout
- Week of Jul 7 trout
- Week of Jun 23 trout
From Colorado fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Colorado fishing regulations.
Where is Lost Man Reservoir?
Pitkin County, Colorado. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Lost Man Reservoir
- Grizzly Reservoirlake · 3 mistocked Aug 8, 2025
- Ivanhoe Lakelake · 12 mistocked Jul 28, 2023
- Nast Lakelake · 12 mistocked Jul 28, 2023
- Ivanhoe Creekstream · 12 mistocked Jul 22, 2020
- Pothole Lake #2 (upper)lake · 12 mistocked Jun 19, 2026
- Pothole Lake #1 (lower)lake · 13 mistocked Jul 17, 2026
- Chapman Reservoirlake · 13 mistocked Jun 27, 2025
- Mt. Elbert Forebay14 mistocked Aug 8, 2025
All stocked waters in Pitkin CountyStocked this week in Colorado
Questions about Lost Man Reservoir
- When was Lost Man Reservoir last stocked?
- The latest reported stocking was Jul 3 to 9, 2026, according to Colorado agency reports.
- How often is Lost Man Reservoir stocked?
- It was stocked 2 times in the last 12 months. Across all years on record, most stockings come in June to July.
- Is Lost Man Reservoir stocked often?
- Number 4 of 9 stocked waters in Pitkin County by stocking days. Stocked more often than 73% of Colorado waters on our record. We count each day the agency reported stocking it.
Stocking report from Colorado Parks and Wildlife, which lists the waters stocked with catchable trout (about 10 inches) in the week before each report. Locations from the Colorado Fishing Atlas.