Campsite Odds

Campground · MD

Rohrbach Group Campground

MD · Antietam National Battlefield

Booking is hardest here in April (7/10) and easiest in August (4/10). 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. Mar
  4. Apr7
  5. May6
  6. Jun5
  7. Jul
  8. Aug4
  9. Sep7
  10. Oct7
  11. Nov7
  12. Dec
1 · Easy10 · Lottery

Midweek tip: in the busiest month (April), arrivals are lightest on Sunday — 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

  • 10 tent-only sites

Activities: HIKING, INTERPRETIVE PROGRAMS, CAMPING, HISTORIC & CULTURAL SITE, BIKING

Location

Where it is