Campsite Odds

Booking odds · September

Blackfoot Reservoir Campground in September: How Hard Is It to Book?

Blackfoot Reservoir Campground · ID · Blackfoot River

The verdict

Easy

Booking difficulty 1 out of 10. Usually available — you can often book close to your trip.

Rarely sells outBased on 2 years of reservation data

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

Blackfoot Reservoir Campground in September scores 1 out of 10 for booking difficulty — easy. Usually available — you can often book close to your trip.

Based on the last 2 years of reservation history, with the campground running roughly 5% full that month. The lightest arrival day is Thursday, so shifting to a midweek start is the single easiest way to improve your odds.

Lead time

How far ahead people book

Same day: 58% of bookings58%Same day1–3d: 26% of bookings26%1–3d4–7d: 0% of bookings4–7d1–2wk: 3% of bookings1–2wk2–4wk: 3% of bookings2–4wk1–2mo: 8% of bookings8%1–2mo2–3mo: 3% of bookings2–3mo3–6mo: 0% of bookings3–6mo6mo+: 0% of bookings6mo+Median booking lead time: 0 days ahead
Demand split

Weekend vs. weekday demand

Weekend (Fri–Sat)Weekday (Sun–Thu)

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

Booking window · September 2027

When September reservations open

Reservations for Blackfoot Reservoir 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 Blackfoot Reservoir Campground?

May 15 - September 15 the associated fees within the campground are as follows:. $20 per night in the fully developed campsites #1-16 (electrical hook-ups included), this includes one RV with vehicle in tow or one vehicle. $10 per vehicle/per night, in the standard campsites #B1-B12. $10 per vehicle/per night, for each additional vehicle in the fully developed campsites (must purchase this pass separately through a Activity Pass). Extra Vehicle Pass, Daily/Annual day-use, and RV dump station passes available separately through Blackfoot Reservoir Activity Passes. September 16 - May 14 the campground stays open weather depending, but no fees are associated.

Fee details as listed on Recreation.gov. Rates and passes change by season, so confirm the current price on Recreation.gov before you book.

FAQ

Blackfoot Reservoir Campground in September: common questions

How hard is it to book Blackfoot Reservoir Campground in September?
Blackfoot Reservoir Campground rates 1 out of 10 for September — Easy. Usually available — you can often book close to your trip.
When do September reservations open for Blackfoot Reservoir Campground?
Reservations for Blackfoot Reservoir 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 Blackfoot Reservoir Campground in September?
Arrivals are lightest on Thursday. A midweek arrival is usually the easiest booking.

← Blackfoot Reservoir Campground complete reservation guide & all months