State Park

Brush Lake State Park

Sheridan County, MontanaAbout 452 acresEstablished 2004
Status
Status not posted
Entrance fee
$8 per dayAnnual pass available
Day-use reservations
None mentioned
Dogs
Statewide rule — see below
Camping
Yes
Official site
fwp.mt.gov(406) 483-5455

Official page last checked Oct 29, 2026. How we keep this current

Overview

In Sheridan County, about 24 miles southeast of Plentywood, Brush Lake State Park covers about 452 acres.

Visitors come for canoeing and kayaking, hunting in season, boating, swimming, and wildlife watching. Facilities for water recreation include a swimming beach and a boat ramp. For overnight stays there are campsites (RV sites, tent sites, and group camping).

Hours

Park, gate, office and facility hours are listed separately because they often differ. Alerts above override normal hours.

FacilityDaysHoursSeason
Day useDaily7 a.m. – 10 p.m.—
Official wording

Open May 1 - January 1 depending on snowfall

Day use hours: 7 am to 10 pm.

Open May 1 - January 1 depending on snowfall

Potable water: Yes - depending on the weather

Source: official park page, checked Oct 29, 2026. Times are local to the park (America/Denver).

Fees and passes

ItemAmount
Montana residents who pay the (resident)$9 · year
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 (nonresident)Free
Campsite fees range from$4 · night
Campsite fees range from$34 · night
Official wording

Montana Residents • 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. 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. To check fees or reserve Brush Lake campsites, click here.

Montana park passes

  • State parks fee with Montana vehicle registration — $9 per vehicle per year (residents). No daily entrance fees to state parks for that vehicle Details
  • Nonresident Entrance Pass (12-month) — $50 per vehicle. Free entrance and discounted camping ($10-$12/night) for one year from month of issue Details
  • 7-Day Nonresident Entrance Pass — $35. Entrance for 7 consecutive days and discounted camping; sold at parks only Details

From the Montana state guide. Confirm which passes this park accepts.

Reservations

Day use
No day-use reservation requirement mentioned
Booking system
ReserveAmerica (montanastateparks.reserveamerica.com)
Phone
1-855-922-6768

Check availability and book

We link to the official booking system rather than showing live availability, which changes minute to minute.

Pets

See the park’s wording

Pets Allowed (amenity list)

Service animals are generally permitted where pets are not. Check with the park for specific areas.

Camping

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.

From the official park page, checked Oct 29, 2026. Site counts and prices can change; confirm when booking.

Things to do

Wildlife viewing and birdingBoatingCampingCanoeing and kayakingHikingHuntingPicnickingSwimming

Amenities

Facilities

  • Picnic areas
  • Parking
  • Group facilities

Water

  • Swimming beach
  • Boat ramp

Camping

  • Tent camping
  • RV camping
  • Group camping

✓ listed by the park · ✕ the park says it is not available. Anything not shown here isn’t mentioned by the official source — that means unknown, not unavailable.

Accessibility

Amenities: ADA Accessible

Conditions change. Contact the park to confirm specific accessible features before your visit.

Getting there

Address
1733 Brush Lake Rd.
Dagmar, MT 59219
Nearest town
Plentywood — about 24 mi southeast (straight line)
Coordinates
48.6030, -104.1130
Phone
(406) 483-5455

Google Maps directionsApple MapsOfficial park map (PDF)

Nearby state parks

Sources and freshness

“Last checked” is when our system last read the official source. No change has been detected since this page was first published. Hours, fees and rules can change without notice — confirm with the park before you go. Methodology

Report a correction for this park