Stage I Fire Restrictions for Sheridan County in the Lewistown Fire Restriction Area (Campfire Exemption).

1. Campfires allowed in established steel fire grates.
2. No smoking, except within an enclosed vehicle or building, a developed recreation site or while stopped in an area 3 feet in diameter that is cleared of all flammable materials.

Brush Lake is a deep, clear lake with beaches surrounded by grass fields and spring wheat.

This mile long lake offers public access for swimming and is ideal for wildlife viewing, motorized boating and water skiing. 

The Northeast portion of the lake includes a day use area with a boat ramp, dock and picnic area, along with a 12-site campground which consists of (10) electric campsites and (2) double campsite with electricity.

Due to the high alkali content of it's crystal clear waters, Brush Lake does not support any significant fish life.

• Beach
• Bird Watching
• Boating
• Camping
• Canoeing
• Group Camping
• Hiking
• Motor Boating
• Picnicking
• RV Camping
• Swimming
• Tent Camping

Some amenities are seasonal. Check with the park for availability.

• ADA Accessible
• Boat Launch
• Campsite
• Dock
• Electricity
• Established Fire Pits
• Parking
• Pets Allowed
• Trash Removal
• Water

Hours listed below are normal operating hours and may not apply when there is a special restriction or closure. Check Alerts and Closures in the tab below.

Park
Open May 1 - November 1
Day use hours: 7 am to 10 pm.

Campground

Open May 1 - November 1

Potable water
Yes

Visit the State Parks Fees & Regulations page for park rules.

Contact the park manager for open volunteer positions at Brush Lake State Park.

For complete position descriptions, application forms, and details about Montana State Parks volunteer programs, visit the Volunteers page.

Montana Residents

• Day use entrance is free*

Nonresidents

• Day use entrance fee with a vehicle: $8
• Day use entrance fee as a walk-in, bicycle or bus passenger: $4
• With a Nonresident Entrance Pass: Free

Campsites

• Campsite fees range from $4-$34 per night, depending on season and available amenities.

Montana State Parks offers hike/bike, rustic, tent, rv, and boatslip campsites. To check fees or reserve Brush Lake campsites, click here.

* Montana residents who pay the $9 state parks fee with their annual vehicle registration have no daily entrance fees to state parks. For residents who don't include this in their vehicle registration, non-resident day use fees apply.

Mailing Address:
Brush Lake State Park
PO Box 134
Medicine Lake, MT 59247

Phone: 406-377-6256
Email: 

Reservation Phone Number:

1-855-922-6768