Campsite Odds

Booking odds · May

Porcupine Bay Campground in May: How Hard Is It to Book?

Porcupine Bay Campground · WA · Lake Roosevelt National Recreation Area

The verdict

Plan ahead

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

Rarely sells outBased on 3 years of reservation data

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

Porcupine Bay Campground in May 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 May booking was locked in about 25 days before arrival, with the campground running roughly 45% full that month. The lightest arrival day is Monday, so shifting to a midweek start is the single easiest way to improve your odds.

Lead time

How far ahead people book

Same day: 14% of bookings14%Same day1–3d: 11% of bookings11%1–3d4–7d: 11% of bookings11%4–7d1–2wk: 8% of bookings8%1–2wk2–4wk: 10% of bookings10%2–4wk1–2mo: 9% of bookings9%1–2mo2–3mo: 8% of bookings8%2–3mo3–6mo: 27% of bookings27%3–6mo6mo+: 4% of bookings6mo+Median booking lead time: 25 days ahead
Demand split

Weekend vs. weekday demand

Weekend (Fri–Sat)Weekday (Sun–Thu)

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

Booking window · May 2027

When May reservations open

Reservations for Porcupine Bay Campground in May 2027 operate on a rolling 6-month window releasing at 7:00 AM ET.

May 1 stays open

November 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 May 1, 2027 become bookable on November 1, 2026 at 7:00 AM ET. Each subsequent date throughout May 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 Porcupine Bay Campground?

This is a reservation only campground at $30 per night. Reservations must be made through recreation.gov. Dump/Fill Station one time fee of $10 for campers with a reservation or $5 with Senior/Access pass. This is intended for visitors recreating at Lake Roosevelt NRA and not for residential use. Pay online prior to use at pay.gov/public/form/start/1575878640. Weekly Boat Launch Fee $10/seven consecutive days. Paid online at https://www.pay.gov/public/form/entry/101/656441199/. Annual Boat Launch Fee $60/year available by vendor only.

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 May

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

Mora Campground

WAEasy

Hawk Creek Campground

WAEasy

Gifford Campground

WAEasy

FAQ

Porcupine Bay Campground in May: common questions

How hard is it to book Porcupine Bay Campground in May?
Porcupine Bay Campground rates 4 out of 10 for May — Plan ahead. Books up in the weeks before popular dates. Reserve early.
How far in advance should I book Porcupine Bay Campground for May?
The typical May reservation was made about 25 days before arrival, so plan to book as early as your dates allow.
When do May reservations open for Porcupine Bay Campground?
Reservations for Porcupine Bay Campground in May 2027 open on a rolling 6-month window. Sites for May 1 become bookable on November 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 Bay Campground in May?
Arrivals are lightest on Monday. A midweek arrival is usually the easiest booking.

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