Campsite Odds

Booking odds · September

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

Swan Lake Campground · MT · Flathead 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

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

Swan Lake Campground in September 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 September booking was locked in about 32 days before arrival, with the campground running roughly 34% 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: 4% of bookings4%Same day1–3d: 11% of bookings11%1–3d4–7d: 11% of bookings11%4–7d1–2wk: 11% of bookings11%1–2wk2–4wk: 11% of bookings11%2–4wk1–2mo: 13% of bookings13%1–2mo2–3mo: 9% of bookings9%2–3mo3–6mo: 20% of bookings20%3–6mo6mo+: 8% of bookings8%6mo+Median booking lead time: 32 days ahead
Demand split

Weekend vs. weekday demand

Weekend (Fri–Sat)Weekday (Sun–Thu)

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

Booking window · September 2027

When September reservations open

Reservations for Swan 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 Swan Lake Campground?

To Make Reservations by phone please call: 1-877-444-6777. Individual Site Reservations: $22.00 per camper unit per night. Camping unit is tent, trailer, motorhome, mobile sleeping unit, etc. If you have an additional camping unit in your spot, please be ready to pay the addtional $22 per nite (cash of check only) to the host or in the fee tube. Guests must arrive and check in with the campground host by 11 a.m. the day following your arrival or risk forfeiture of fees and the site may be given to another camper. You are allowed two motorized vehicles per site, the first vehicle is included in the site fee and an extra vehicle charge of $5.

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

Swan Lake Campground in September: common questions

How hard is it to book Swan Lake Campground in September?
Swan Lake Campground rates 5 out of 10 for September — Plan ahead. Books up in the weeks before popular dates. Reserve early.
How far in advance should I book Swan Lake Campground for September?
The typical September reservation was made about 32 days before arrival, so plan to book as early as your dates allow.
When do September reservations open for Swan Lake Campground?
Reservations for Swan 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 Swan Lake Campground in September?
Arrivals are lightest on Sunday. A midweek arrival is usually the easiest booking.

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