Campground · MT
Lost Johnny Campground
Lost Johnny Campground is generally hard to book. Across the 5 months we have reservation data for, difficulty peaks in May (9/10) and eases to its lowest in September (6/10). 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 (May), arrivals are lightest on Sunday — 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
- 5 accessible sites
Activities: CAMPING, FISHING, SWIMMING SITE, HIKING, WILDLIFE VIEWING
How much does it cost to camp at Lost Johnny Campground?
To Make Reservations by phone please call: 1-877-444-6777. Although you are allowed two vehicles per site, the first vehicle is included in the site fee; the second vehicle is charged $5.00 upon arrival at the campground.
Fee details as listed on Recreation.gov. Rates and passes change by season, so confirm the current price on Recreation.gov before you book.