Categorical Exclusion · West Fork Ranger District · updated 8/14/2026
Sheep Creek, West Fork District, Ravalli County, MT, Bitterroot National Forest · Ravalli, Montana
The Bitterroot National Forest received a draft initial plan of operations for the Sheep Creek Project from US Critical Materials (USCM). The Forest is working with USCM to gather additional information needed prior to moving into environmental analysis.
Minerals and geology
Project documents
NEPA / regulatory detail
| Categorical Exclusion | USDA-32d-USFS |
Environmental Assessment · West Fork Ranger District · updated 5/28/2026 · decision 3/2027 (Estimated)
The entire Bitterroot National Forest. · Beaverhead; Deer Lodge; Granite; Idaho; Lemhi; Missoula; Ravalli, Montana; Idaho
The Bitterroot National Forest is proposing this project to increase the pace and scale of prescribed burning in an effort to restore fire to the landscape, improve resiliency of existing vegetation groups, improve wildlife habitats, and improve firefighter and public safety.
Fuels managementRegulations, directives, ordersVegetation management (other than forest products)
NEPA Start Date
3/24/2026
Categorical Exclusion · Darby Ranger District · updated 5/27/2026 · decision 5/2022 (Estimated)
Lost Trail Ski Area is located on the Bitterroot and Salmon-Challis National Forests; Lost Trail Pass near US Hwy 93 jct. with US Hwy 43 on the Montana/Idaho border · Lemhi; Ravalli, Idaho; Montana
Lost Trail Ski area proposes to expand the parking lot and replace chairlifts #1. 2#. and #4 with high speed quad lifts. The existing chair #1 infrastructure will be moved to a new location in the beginner area where beginner runs will be cleared to provide beginner skiers more terrain options.
Recreation managementSpecial use management
NEPA Start Date
11/18/2021
NEPA / regulatory detail
| Categorical Exclusion | USDA-44d-USFS; USDA-46d-USFS |
Environmental Assessment · Bitterroot National Forest · updated 5/26/2026 · decision 4/2023 (Estimated)
Ravalli County, MT · Idaho; Missoula; Ravalli, Idaho; Montana
This project is being conducted to address wildfire risk to communities and promote forest restoration on lands administered by the Stevensville and Darby-Sula Ranger Districts.
Fuels managementVegetation management (other than forest products)Wildlife, fish, rare plants
NEPA Start Date
4/20/2022
Project documents
Decision Memo · Bitterroot National Forest All Units · updated 5/18/2026
The project is located 10 miles SE of Hamilton, Montana (Ravalli County) in the Sleeping Child watershed. · Ravalli, Montana
This project would establish fuel breaks in approximately 1,866 acres along approximately 24 miles of roads, of which 95% were affected by wildfires in 2000.
Fuels management
Comment Period
08/31/2023
Decision
05/2026 (Estimated)
Implementation
05/2026 (Estimated)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | 32.3(11) |
| Special Authority | 2021 Infrastructure: Emergency Actions; 2021 Infrastructure: Fuel Break Ce |
| Notice and Comment Regulation | 2021 Infrastructure: Emergency Actions |
| Project Activity | Fuel Treatments (Non-Activity Fuels) |
| Rye Creek Fuel Break Categorical Exclusion DM | Decision Signed Date: 05/14/2026 |
| Forests | Bitterroot National Forest |
| Districts | Darby Ranger District |
| Legal Land Description | Not Applicable |
Decision Memo · Bitterroot National Forest All Units · updated 5/18/2026
The project is located 10 miles SE of Hamilton, Montana (Ravalli County) in the Sleeping Child watershed. · Ravalli, Montana
This project would establish fuel breaks in approximately 2,130 acres along approximately 24 miles of roads in areas that were affected by wildfires in 2000.
Fuels management
Comment Period
08/31/2023
Decision
05/2026 (Estimated)
Implementation
05/2026 (Estimated)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | 32.3(11) |
| Special Authority | 2021 Infrastructure: Emergency Actions; 2021 Infrastructure: Fuel Break Ce |
| Notice and Comment Regulation | 2021 Infrastructure: Emergency Actions |
| Project Activity | Fuel Treatments (Non-Activity Fuels) |
| Sleeping Child Fuel Break Categorical Exclusion DM | Decision Signed Date: 05/14/2026 |
| Forests | Bitterroot National Forest |
| Districts | Darby Ranger District |
| Legal Land Description | Not Applicable |
Decision Memo · Bitterroot National Forest All Units · updated 5/18/2026
This project is located 17 miles SE of Darby, Montana, in the Sleeping Child watershed. · Ravalli, Montana
This project would establish fuel breaks in approximately 3,000 acres along existing roads, of which 95% were affected by wildfires in 2000.
Fuels management
Comment Period
08/31/2023
Decision
05/2026 (Estimated)
Implementation
05/2026 (Estimated)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | 32.3(11) |
| Special Authority | 2021 Infrastructure: Emergency Actions; 2021 Infrastructure: Fuel Break Ce |
| Notice and Comment Regulation | 2021 Infrastructure: Emergency Actions |
| Project Activity | Fuel Treatments (Non-Activity Fuels) |
| Forests | Bitterroot National Forest |
| Districts | Sula Ranger District |
| Legal Land Description | Not Applicable |
Decision Memo · Bitterroot National Forest All Units · updated 6/5/2023
Magruder Ranger Station, Paradise Guard Station, Warm Springs Campground · Ravalli, Montana
The Bitterroot National Forest is proposing to improve three water systems in recreational and administrative facilities.
Recreation management
Comment Period
06/05/2023
Decision
08/2023 (Estimated)
Implementation
09/2023 (Estimated)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | 32.2 (21), 36 Cfr 220.6(E)(21); 32.2 (22), 36 Cfr 220.6(E)(22) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Developed Site Management; Facility Improvements/Construction; Facility Maintenance |
| Forests | Bitterroot National Forest |
| Districts | Darby Ranger District; Sula Ranger District; West Fork Ranger District |
| Legal Land Description | Not Applicable |
Decision Memo · Sula Ranger District · updated 2/27/2023
Forest Service land along the East Fork Bitterroot River at milepost 12.9 of the East Fork Highway. · Ravalli, Montana
This project would use boulders to create a parking area and prevent unauthorized, motorized access to a user-created route that is currently causing damage to a wetland along the East Fork Bitterroot River.
Wildlife, fish, rare plantsWatershed management
Decision
04/2023 (Estimated)
Implementation
06/2023 (Estimated)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | 32.2 (20), 36 Cfr 220.6(E)(20) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Watershed Improvements |
| Forests | Bitterroot National Forest |
| Districts | Sula Ranger District |
| Legal Land Description | Not Applicable |