Campground · MT
BIG LARCH CAMPGROUND
Booking is hardest here in August (5/10) and easiest in May (3/10). Pick a month below for the full breakdown.
Booking difficulty by month
Midweek tip: in the busiest month (August), arrivals are lightest on Tuesday — 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 January 15, 2027 become bookable on July 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