Ackley Lake State Park
- 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) 788-3057
Official page last checked Oct 29, 2026. How we keep this current
Overview
In Judith Basin County, about 24 miles west of Lewistown, Ackley Lake State Park covers about 119 acres.
Popular activities here are ice fishing, winter sports, boating, swimming, and wildlife watching. Facilities for water recreation include a boat ramp. For overnight stays there are campsites (RV sites and tent sites).
Hours
Park, gate, office and facility hours are listed separately because they often differ. Alerts above override normal hours.
| Facility | Days | Hours | Season |
|---|---|---|---|
| Campground | Open daily (hours not posted) | ||
Official wording
Open all year
Open year-round
Potable water: No potable water available
Source: official park page, checked Oct 29, 2026. Times are local to the park (America/Denver).
Fees and passes
| Item | Amount |
|---|---|
| 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 Campsite Fees • Campsite fees range from $4-$34 per night, depending on season and available amenities. Ackley Lake has 26 first-come first-served, rustic (no electricity, water or dump services) campsites.
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
- Camping
- Not required
- Booking system
- ReserveAmerica (montanastateparks.reserveamerica.com)
- Phone
- 1-855-922-6768
Ackley Lake has 26 first-come first-served, rustic (no electricity, water or dump services) campsites.
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
Today, the diverse recreation opportunities at this 290-acre park include fishing, boating, swimming, birdwatching, picnicking, and camping. Ackley Lake has 26 first-come first-served, rustic (no electricity, water or dump services) campsites and two boat launches.
From the official park page, checked Oct 29, 2026. Site counts and prices can change; confirm when booking.
Things to do
Wildlife viewing and birdingBoatingCampingFishingIce fishingPicnickingSwimmingWinter sports
Amenities
Facilities
- Restrooms
- Picnic areas
- Picnic shelters
- Drinking water: not available (stated by the park)
Water
- Boat ramp
Camping
- Tent camping
- RV 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.
Getting there
- Address
- 989 Ackley Lake Rd.
Hobson, MT 59452 - Nearest town
- Lewistown — about 24 mi west (straight line)
- Coordinates
- 46.9579, -109.9409
- Phone
- (406) 788-3057
- Carley.Chapman@mt.gov
Nearby state parks
Sources and freshness
- Montana State Parks — park page — last checked Oct 29, 2026
- Montana State Parks Find a Park list, joined with FWP 'State Park Locations' ArcGIS layer
- Wikidata
- USGS PAD-US 4.1 (boundary and acreage)
“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