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 February 15, 2027 become bookable on August 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