Campground · HI
Hosmer Grove Campground
Hosmer Grove Campground is generally hard to book. Across the 12 months we have reservation data for, difficulty peaks in January (8/10) and eases to its lowest in July (4/10). 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 (January), arrivals are lightest on Thursday — 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
- 6 tent-only sites
Activities: CAMPING, HISTORIC & CULTURAL SITE, SCENIC DRIVE, STAR GAZING, VISITOR CENTER, WILDLIFE VIEWING
How much does it cost to camp at Hosmer Grove Campground?
Camping is year-round unless otherwise stated for emergencies. Camping is $20 per night with a 3-night maximum over a 30-day period. Entrance fees of $30 per vehicle are to be paid when entering the Park. If you own a valid National Park pass, please show to our fee collectors upon entrance. These passes can be used at entrance in lieu of the $30 fee. Sunrise reservation at the Summit of Haleakala is included with the first morning of your campground dates reserved. There are no refunds for camping fees. Any changes to your camping dates must be made through recreation.gov in advance.
Fee details as listed on Recreation.gov. Rates and passes change by season, so confirm the current price on Recreation.gov before you book.