Fishing lakes in Fremont County
2 lakes on record in Fremont County, Idaho. Rainbow Trout is stocked most often. The most recent plant was May 29, 2026 at Horseshoe Lake.
- Most recent plant
- October 22, 2026
- Island Park Reservoir
- Lakes
- 2
- Plants
- 779
- Species stocked
- 8
Lakes in Fremont County
2 locations shown. Tap a pin for details. · Open this area in Google Maps
| Photo | Lake | Size | Plants | Last stocked |
|---|---|---|---|---|
| Horseshoe Lake | 36.1 acres | 128 plants | May 29, 2026 | |
| Island Park Reservoir | 7,281.3 acres | 650 plants | May 20, 2026 |
Other counties in Idaho
Common questions
Which lakes are in Fremont County?
2 lakes in Fremont County, Idaho.
What fish are stocked most in Fremont County?
Rainbow Trout is stocked most often.
Which lake was stocked most recently?
The most recent plant was May 29, 2026 at Horseshoe Lake.