Campground · MT
BIG LARCH CAMPGROUND
BIG LARCH CAMPGROUND is generally plan ahead to book. Across the 4 months we have reservation data for, difficulty peaks in July (5/10) and eases to its lowest in May (3/10). The heat strip below breaks down every month — pick one for its full odds, lead-time chart, and easier nearby alternatives.
Booking difficulty by month
Midweek tip: in the busiest month (July), arrivals are lightest on Monday — shift your dates to improve your odds.
When reservations open
Booking window
Reservations open on a rolling 6-month window at 7:00 AM America/New York.
For example, sites for April 15, 2027 become bookable on October 15, 2026. Set a reminder a few minutes before release for the best shot.
Standard Recreation.gov 6-month rolling window: sites become bookable 6 months before arrival at 7:00 AM ET.
Sites & amenities
- 54 RV sites
- 4 accessible sites
- Max RV length 51 ft
Activities: WILDLIFE VIEWING, WATER SPORTS, FISHING, CAMPING, BOATING, BIKING, AMPHITHEATER, CANOEING, BERRY PICKING, BIRDING, DAY USE AREA, HIKING, HUNTING, ICE FISHING, JET SKIING, KAYAKING, PICNICKING, WINTER SPORTS, BEACHCOMBING, SWIMMING, WATER ACCESS, NON-MOTORIZED BOATING, PADDLING, PADDLE BOATING, SNOWSHOEING, WATER SKIING
How much does it cost to camp at Big Larch Campground?
The nightly fee for individual RV/tent campsites is $20.00 through peak season (Friday before Memorial Day through Labor Day). The nightly fee for group campsites is $50.00 through peak season. The nightly fee for bicycle campsites is $10.00 through peak season. Parking is allowed in the designated parking spur for each campsite only. Vehicles that do not fit must deposit an additional vehicle fee of $5.00 and must park in the day-use area. No parking along roadways. Outside of peak season (Friday before Memorial Day through Labor Day), all campsites will be available free of charge on a first-come, first-serve basis. Day use facilities are free of charge and are open from 6 a.m. - 10 p.m.
Fee details as listed on Recreation.gov. Rates and passes change by season, so confirm the current price on Recreation.gov before you book.