Brush Lake State Park

Visit this deep, clear lake with white, sandy beaches surrounded by grass fields, ideal for swimming and wildlife viewing, boating and waterskiing.

About the Park

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.

Activities

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

Amenities

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

Seasons & Hours

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

Alerts & Closures

None at this time

Volunteer

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.

Park Rules

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

Fees

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.

Contact Information

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

Aquatic Invasive Species

Help protect Montana's waters

AIS can be easily spread from one waterbody to the other. Anglers, boaters, construction workers, pond owners, gardeners, seaplane pilots, field workers - virtually anyone who works or plays in or around water can unknowingly transport these pests on their boats and equipment. It takes only one mistake to potentially infest a new water body.

Prevent the spread of AIS