Campsite Odds

Booking odds · May

Thirty Mile Campground in May: How Hard Is It to Book?

Thirty Mile Campground · CO · Rio Grande National Forest

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

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

Thirty Mile Campground in May 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 May booking was locked in about 46 days before arrival, with the campground running roughly 13% 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: 4% of bookings4%1–3d4–7d: 8% of bookings8%4–7d1–2wk: 13% of bookings13%1–2wk2–4wk: 14% of bookings14%2–4wk1–2mo: 12% of bookings12%1–2mo2–3mo: 12% of bookings12%2–3mo3–6mo: 31% of bookings31%3–6mo6mo+: 6% of bookings6%6mo+Median booking lead time: 46 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 Thirty Mile Campground 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 Thirty Mile Campground?

Season Dates/ Site Type/ Nightly/Daily Rates. Friday before Memorial Day - Labor Day Weekend / Single Site / $29.00 weekends and holidays $31.00. Double Site / $58.00 weekends and holidays $62.00.

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.

WILLIAMS CREEK CAMPGROUND

COEasy

Ute Campground (CO)

COEasy

East Fork Campground (San Juan NF - CO)

COEasy

FAQ

Thirty Mile Campground in May: common questions

How hard is it to book Thirty Mile Campground in May?
Thirty Mile Campground rates 4 out of 10 for May — Plan ahead. Books up in the weeks before popular dates. Reserve early.
How far in advance should I book Thirty Mile Campground for May?
The typical May reservation was made about 46 days before arrival, so plan to book as early as your dates allow.
When do May reservations open for Thirty Mile Campground?
Reservations for Thirty Mile Campground 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 Thirty Mile Campground in May?
Arrivals are lightest on Sunday. A midweek arrival is usually the easiest booking.

← Thirty Mile Campground complete reservation guide & all months