Campsite Odds

Booking odds · May

Eagle Creek Campground - Custer Gallatin National Forest in May: How Hard Is It to Book?

Eagle Creek Campground - Custer Gallatin National Forest · MT · Custer Gallatin National Forest

The verdict

Plan ahead

Booking difficulty 5 out of 10. Books up in the weeks before popular dates. Reserve early.

Rarely sells outBased on 3 years of reservation data

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

Eagle Creek Campground - Custer Gallatin National Forest in May scores 5 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 May booking was locked in about 58 days before arrival, with the campground running roughly 36% full that month. The lightest arrival day is Sunday, so shifting to a midweek start is the single easiest way to improve your odds.

Lead time

How far ahead people book

Same day: 0% of bookingsSame day1–3d: 2% of bookings1–3d4–7d: 9% of bookings9%4–7d1–2wk: 13% of bookings13%1–2wk2–4wk: 9% of bookings9%2–4wk1–2mo: 18% of bookings18%1–2mo2–3mo: 12% of bookings12%2–3mo3–6mo: 32% of bookings32%3–6mo6mo+: 5% of bookings5%6mo+Median booking lead time: 58 days ahead
Demand split

Weekend vs. weekday demand

Weekend (Fri–Sat)Weekday (Sun–Thu)

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

Booking window · May 2027

When May reservations open

Reservations for Eagle Creek Campground - Custer Gallatin National Forest in May 2027 operate on a rolling 6-month window releasing at 7:00 AM ET.

May 1 stays open

November 1, 2026

at 7:00 AM ET

Release style

6-Month Rolling Window

Releases daily 6 months ahead at 7:00 AM ET

Campsites for May 1, 2027 become bookable on November 1, 2026 at 7:00 AM ET. Each subsequent date throughout May 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 Eagle Creek Campground - Custer Gallatin National Forest?

First Come, First Serve Sites are paid for at the campground self service fee station. Please remember, The first two vehicles are included in the reservation fee for a sigle site, four vechicles for a double site. Any additional vehicles will be assessed a $5.00/night extra vehicle fee upon arrival at your site. This fee will be need to be deposited in the self service fee station.

Fee details as listed on Recreation.gov. Rates and passes change by season, so confirm the current price on Recreation.gov before you book.

Plan B

Easier nearby options in May

If your dates are flexible, these nearby campgrounds are typically easier to book.

GREEK CREEK CAMPGROUND

MTEasy

SPIRE ROCK CAMPGROUND

MTPlan ahead

CABIN CREEK CAMPGROUND

MTEasy

FAQ

Eagle Creek Campground - Custer Gallatin National Forest in May: common questions

How hard is it to book Eagle Creek Campground - Custer Gallatin National Forest in May?
Eagle Creek Campground - Custer Gallatin National Forest rates 5 out of 10 for May — Plan ahead. Books up in the weeks before popular dates. Reserve early.
How far in advance should I book Eagle Creek Campground - Custer Gallatin National Forest for May?
The typical May reservation was made about 58 days before arrival, so plan to book as early as your dates allow.
When do May reservations open for Eagle Creek Campground - Custer Gallatin National Forest?
Reservations for Eagle Creek Campground - Custer Gallatin National Forest in May 2027 open on a rolling 6-month window. Sites for May 1 become bookable on November 1, 2026 at 7:00 AM ET, with each subsequent day releasing day-by-day 6 months ahead.
What is the best day to arrive at Eagle Creek Campground - Custer Gallatin National Forest in May?
Arrivals are lightest on Sunday. A midweek arrival is usually the easiest booking.

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