Elkhorn State Park
- Status
- Open (per official listing)
- Entrance fee
- $8 per dayAnnual pass available
- Day-use reservations
- None mentioned
- Dogs
- Statewide rule — see below
- Camping
- None listed
- Official site
- fwp.mt.gov(406) 577-7894
Official page last checked Oct 29, 2026. How we keep this current
Current alerts 1
Partial closure Site Closure - PartialGillian Hall in Elkhorn State Park will be closed to the public for foundation repairs for approximately three weeks beginning October 7, 2025.… (more)
Gillian Hall in Elkhorn State Park will be closed to the public for foundation repairs for approximately three weeks beginning October 7, 2025. Fraternity Hall will remain open.
Posted by the park 2025-10-07. Official alert
Overview
Elkhorn State Park is a park in Jefferson County, about 9 miles east of Boulder.
Popular activities here are historic sites and picnicking.
Hours
Park, gate, office and facility hours are listed separately because they often differ. Alerts above override normal hours.
| Facility | Days | Hours | Season |
|---|---|---|---|
| The park’s wording doesn’t give clock times — see the official wording below. | |||
Official wording
Open all year
Source: official park page, checked Oct 29, 2026. Times are local to the park (America/Denver).
Pets
All pets must be kept on a leash and not left unattended; owners clean up after pets; not all facilities allow pets.
Statewide rule from Montana's park system (source). This park’s page doesn’t state its own pet rules, so check for local restrictions.
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 |
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
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
We link to the official booking system rather than showing live availability, which changes minute to minute.
Things to do
Historic sites and toursPicnicking
Amenities
Facilities
- Restrooms
- Picnic areas
✓ 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
- Nearest town
- Boulder — about 9 mi east (straight line)
- Coordinates
- 46.2751, -111.9462
- Phone
- (406) 577-7894
- mark.filonczuk@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
- 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