Campsite Odds

Campground · MT

Henneberry House

MT · Dillion

Booking is hardest here in May (8/10) and easiest in March (5/10). Pick a month below for the full breakdown.

Season at a glance

Booking difficulty by month

12-month reservation season
  1. Jan
  2. Feb
  3. Mar5
  4. Apr
  5. May8
  6. Jun8
  7. Jul7
  8. Aug6
  9. Sep
  10. Oct
  11. Nov7
  12. Dec6
1 · Easy10 · Lottery

Midweek tip: in the busiest month (May), arrivals are lightest on Tuesday — shift your dates to improve your odds.

Booking window

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.

Facilities

Sites & amenities

  • 1 electric sites
  • 1 RV sites
  • Max RV length 24 ft

Activities: FISHING, CAMPING

Location

Where it is