Campsite Odds

Booking odds · March

Supply Park in March: How Hard Is It to Book?

Supply Park · OK · Fort Supply Lake

The verdict

Easy

Booking difficulty 2 out of 10. Usually available — you can often book close to your trip.

Rarely sells outBased on 1 year of reservation data

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

Supply Park in March scores 2 out of 10 for booking difficulty — easy. Usually available — you can often book close to your trip.

Across the last 1 year of reservation history, the typical March booking was locked in about 3 days before arrival, with the campground running roughly 6% full that month. The lightest arrival day is Tuesday, so shifting to a midweek start is the single easiest way to improve your odds.

Lead time

How far ahead people book

Same day: 36% of bookings36%Same day1–3d: 16% of bookings16%1–3d4–7d: 13% of bookings13%4–7d1–2wk: 11% of bookings11%1–2wk2–4wk: 12% of bookings12%2–4wk1–2mo: 8% of bookings8%1–2mo2–3mo: 4% of bookings2–3mo3–6mo: 0% of bookings3–6mo6mo+: 0% of bookings6mo+Median booking lead time: 3 days ahead
Demand split

Weekend vs. weekday demand

Weekend (Fri–Sat)Weekday (Sun–Thu)

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

Booking window · March 2027

When March reservations open

Reservations for Supply Park in March 2027 operate on a rolling 6-month window releasing at 7:00 AM ET.

March 1 stays open

September 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 March 1, 2027 become bookable on September 1, 2026 at 7:00 AM ET. Each subsequent date throughout March 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.

Plan B

Easier nearby options in March

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

CANADIAN

OKEasy

BIRCH COVE

OKEasy

PORUM LANDING

OKEasy

FAQ

Supply Park in March: common questions

How hard is it to book Supply Park in March?
Supply Park rates 2 out of 10 for March — Easy. Usually available — you can often book close to your trip.
How far in advance should I book Supply Park for March?
The typical March reservation was made about 3 days before arrival, so plan to book as early as your dates allow.
When do March reservations open for Supply Park?
Reservations for Supply Park in March 2027 open on a rolling 6-month window. Sites for March 1 become bookable on September 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 Supply Park in March?
Arrivals are lightest on Tuesday. A midweek arrival is usually the easiest booking.

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