Campsite Odds

Booking odds · September

Mueller Park Group Picnic in September: How Hard Is It to Book?

Mueller Park Group Picnic · UT · Uinta-Wasatch-Cache National Forest

The verdict

Easy

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

Rarely sells outBased on 3 years of reservation data

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

Mueller Park Group Picnic in September scores 2 out of 10 for booking difficulty — easy. Usually available — you can often book close to your trip.

Across the last 3 years of reservation history, the typical September booking was locked in about 19 days before arrival, with the campground running roughly 5% 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: 0% of bookingsSame day1–3d: 2% of bookings1–3d4–7d: 21% of bookings21%4–7d1–2wk: 17% of bookings17%1–2wk2–4wk: 24% of bookings24%2–4wk1–2mo: 17% of bookings17%1–2mo2–3mo: 11% of bookings11%2–3mo3–6mo: 7% of bookings7%3–6mo6mo+: 1% of bookings6mo+Median booking lead time: 19 days ahead
Demand split

Weekend vs. weekday demand

Weekend (Fri–Sat)Weekday (Sun–Thu)

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

Booking window · September 2027

When September reservations open

Reservations for Mueller Park Group Picnic in September 2027 operate on a rolling 6-month window releasing at 7:00 AM ET.

September 1 stays open

March 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 September 1, 2027 become bookable on March 1, 2027 at 7:00 AM ET. Each subsequent date throughout September 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 Mueller Park Group Picnic?

Cash, Check, or Scan & Pay (with recreation.gov app). 36 Single Day Use Sites - $15.00, capacity - 8 people + 1 vehicle. Day Use Group Site #12 - $28.00, capacity - 16 people for a 4-hour block + 3 vehicles. Day Use Group Site #10, #18 - $48.00, capacity - 30 people for 4-hour block + 5 vehicles. Day Use Group Sites #13, #17 - $69.00, capacity - 60 people for a 4-hour block + 8 vehicles. Day Use Group Sites #19 - $209.00, capacity - 100 people for a 4-hour block + 20 vehicles. Season Day Use Pass - $95.00. Extra Vehicle - $10.00 per vehicle (paid on-site cash/check). Big Cottonwood Canyon Season Day Use Pass - $95.00.

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 September

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

FAQ

Mueller Park Group Picnic in September: common questions

How hard is it to book Mueller Park Group Picnic in September?
Mueller Park Group Picnic rates 2 out of 10 for September — Easy. Usually available — you can often book close to your trip.
How far in advance should I book Mueller Park Group Picnic for September?
The typical September reservation was made about 19 days before arrival, so plan to book as early as your dates allow.
When do September reservations open for Mueller Park Group Picnic?
Reservations for Mueller Park Group Picnic in September 2027 open on a rolling 6-month window. Sites for September 1 become bookable on March 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 Mueller Park Group Picnic in September?
Arrivals are lightest on Tuesday. A midweek arrival is usually the easiest booking.

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