Campsite Odds

Booking odds · September

Mirror Lake Campground in September: How Hard Is It to Book?

Mirror Lake Campground · UT · Uinta-Wasatch-Cache National Forest

The verdict

Plan ahead

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

Fills in weeksBased on 3 years of reservation data

September dates tend to fill up in the weeks before arrival.

Mirror Lake Campground in September 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 September booking was locked in about 93 days before arrival, with the campground running roughly 4% 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: 6% of bookings6%Same day1–3d: 3% of bookings1–3d4–7d: 15% of bookings15%4–7d1–2wk: 4% of bookings4%1–2wk2–4wk: 4% of bookings4%2–4wk1–2mo: 8% of bookings8%1–2mo2–3mo: 8% of bookings8%2–3mo3–6mo: 50% of bookings50%3–6mo6mo+: 0% of bookings6mo+Median booking lead time: 93 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 Mirror Lake Campground 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 Mirror Lake Campground?

Cash, Check, or Scan & Pay (with recreation.gov app). 66 single sites - $31.00, capacity - 8 people + 1 vehicle. 10 double sites - $62.00, capacity - 16 people + 2 vehicles. 1 triple site - $92.00, capacity - 24 people + 3 vehicles. Day Use - $15.00. Extra vehicle - $10.00 per vehicle (paid on-site cash/check). Firewood - $9.00.

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

Mirror Lake Campground in September: common questions

How hard is it to book Mirror Lake Campground in September?
Mirror Lake Campground rates 4 out of 10 for September — Plan ahead. Books up in the weeks before popular dates. Reserve early.
How far in advance should I book Mirror Lake Campground for September?
The typical September reservation was made about 93 days before arrival, so plan to book as early as your dates allow.
When do September reservations open for Mirror Lake Campground?
Reservations for Mirror Lake Campground 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 Mirror Lake Campground in September?
Arrivals are lightest on Tuesday. A midweek arrival is usually the easiest booking.

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