Campsite Odds

Booking odds · November

Porcupine Cabin in November: How Hard Is It to Book?

Porcupine Cabin · MT · Custer Gallatin National Forest

The verdict

Lottery-hard

Booking difficulty 10 out of 10. Gone within minutes of release. Bring a plan B.

Sells out in daysBased on 3 years of reservation data

Popular November dates usually sell out within a few days of release.

Porcupine Cabin in November scores 10 out of 10 for booking difficulty — lottery-hard. Gone within minutes of release. Bring a plan B.

Across the last 3 years of reservation history, the typical November booking was locked in about 125 days before arrival, with the campground running roughly 97% 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: 3% of bookings1–3d4–7d: 8% of bookings8%4–7d1–2wk: 5% of bookings5%1–2wk2–4wk: 8% of bookings8%2–4wk1–2mo: 8% of bookings8%1–2mo2–3mo: 8% of bookings8%2–3mo3–6mo: 32% of bookings32%3–6mo6mo+: 29% of bookings29%6mo+Median booking lead time: 125 days ahead
Demand split

Weekend vs. weekday demand

Weekend (Fri–Sat)Weekday (Sun–Thu)

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

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Booking window · November 2026

When November reservations open

Reservations for Porcupine Cabin in November 2026 operate on a rolling 6-month window releasing at 7:00 AM ET.

November 1 stays open

May 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 November 1, 2026 become bookable on May 1, 2026 at 7:00 AM ET. Each subsequent date throughout November 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 November

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

CRANDALL CREEK CABIN

MTHard

IBEX CABIN

MTHard

BATTLE RIDGE CABIN

MTHard

FAQ

Porcupine Cabin in November: common questions

How hard is it to book Porcupine Cabin in November?
Porcupine Cabin rates 10 out of 10 for November — Lottery-hard. Gone within minutes of release. Bring a plan B.
How far in advance should I book Porcupine Cabin for November?
The typical November reservation was made about 125 days before arrival, so plan to book as early as your dates allow.
When do November reservations open for Porcupine Cabin?
Reservations for Porcupine Cabin in November 2026 open on a rolling 6-month window. Sites for November 1 become bookable on May 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 Porcupine Cabin in November?
Arrivals are lightest on Tuesday. A midweek arrival is usually the easiest booking.

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