Campsite Odds

Booking odds · July

Hosmer Grove Campground in July: How Hard Is It to Book?

Hosmer Grove Campground · HI · Haleakalā National Park

The verdict

Plan ahead

Booking difficulty 4 out of 10. Books up in the weeks before popular dates. Reserve early.

Rarely sells outBased on 3 years of reservation data

July rarely sells out — you can often book close to your trip.

Hosmer Grove Campground in July scores 4 out of 10 for booking difficulty — plan ahead. Books up in the weeks before popular dates. Reserve early.

Across the last 3 years of reservation history, the typical July booking was locked in about 30 days before arrival, with the campground running roughly 117% full that month. The lightest arrival day is Thursday, so shifting to a midweek start is the single easiest way to improve your odds.

Lead time

How far ahead people book

Same day: 3% of bookingsSame day1–3d: 5% of bookings5%1–3d4–7d: 6% of bookings6%4–7d1–2wk: 7% of bookings7%1–2wk2–4wk: 74% of bookings74%2–4wk1–2mo: 5% of bookings5%1–2mo2–3mo: 0% of bookings2–3mo3–6mo: 0% of bookings3–6mo6mo+: 0% of bookings6mo+Median booking lead time: 30 days ahead
Demand split

Weekend vs. weekday demand

Weekend (Fri–Sat)Weekday (Sun–Thu)

Best odds: arrivals are lightest on Thursday in July. A midweek arrival is your easiest booking.

Booking window · July 2027

When July reservations open

Reservations for Hosmer Grove Campground in July 2027 operate on a rolling 6-month window releasing at 7:00 AM ET.

July 1 stays open

January 1, 2027

at 7:00 AM ET

Release style

6-Month Rolling Window

Releases daily 6 months ahead at 7:00 AM ET

Campsites for July 1, 2027 become bookable on January 1, 2027 at 7:00 AM ET. Each subsequent date throughout July releases day-by-day exactly 6 months prior to arrival.

Facility note: Standard Recreation.gov 6-month rolling window: sites become bookable 6 months before arrival at 7:00 AM ET.

Fees

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.

FAQ

Hosmer Grove Campground in July: common questions

How hard is it to book Hosmer Grove Campground in July?
Hosmer Grove Campground rates 4 out of 10 for July — Plan ahead. Books up in the weeks before popular dates. Reserve early.
How far in advance should I book Hosmer Grove Campground for July?
The typical July reservation was made about 30 days before arrival, so plan to book as early as your dates allow.
When do July reservations open for Hosmer Grove Campground?
Reservations for Hosmer Grove Campground in July 2027 open on a rolling 6-month window. Sites for July 1 become bookable on January 1, 2027 at 7:00 AM ET, with each subsequent day releasing day-by-day 6 months ahead.
What is the best day to arrive at Hosmer Grove Campground in July?
Arrivals are lightest on Thursday. A midweek arrival is usually the easiest booking.

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