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Camping at North Cascades National Park in Washington

North Cascades National Park Camping

★4.5rating
11 campgroundsNear Sedro-woolley, Washington

North Cascades National Park packs glacier-carved valleys, turquoise lakes, and old-growth forest into one of the least-visited parks in the lower 48 — but its 11 campgrounds and 290 total sites fill fast. Across 19,123 reservations analyzed, demand runs Very High every day of the week at every reservable campground, and zero site-nights were available across the park in the next 14 days at the time of this writing. Plan early, set alerts, and have a backup date in mind.

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At a Glance

Best SeasonMay through September
Book Ahead6+ months for July and August; last-minute possible in May
Entrance FeeVaries — see fees section
HookupsNo hookups at any campground
RV AccessLimited; most campgrounds do not accommodate large RVs or trailers
Booking Insights

We analyzed 19,123 reservations across all 11 campgrounds at North Cascades National Park to surface exactly when to book, when to watch for cancellations, and which months reward patience.

Low demand
Medium
High
Very high
16.3%
Reservations booked 6+ months out — plan that far ahead for July and August
20.7%
Reservations booked less than 1 week out — last-minute windows exist
7pm PST
Peak cancellation hour — 348 last-minute bookings filled at this hour
44
Bookings in a single 15-minute release window on Jan 21, 2024

Campgrounds

Colonial Creek North Campground campsite photo
Diablo Lake AccessWalk-In SitesDrive-In SitesOld-Growth ForestNo Large RVs

Hikers and kayakers who want to be on Diablo Lake without the larger crowd footprint of Colonial Creek South. Best for tent campers comfortable with walk-in sites; the lower rating reflects the tradeoffs versus the South campground.

Sites: 41
Hookups: No

Planning Tips

When to Go

July and August are peak season with nearly 5,900 reservations each month and 19–20% of bookings made 6+ months in advance — beautiful weather but zero margin for flexible planning. May offers the most last-minute opportunity (22.6% of bookings) and lighter crowds, though some campgrounds and facilities may not be fully open. September is counterintuitively the hardest month to get a site last-minute at 18.0%, driven by high-planning campers who want fall color and cooler temperatures without the summer crowds — if that's you, book in January.

Getting Around

State Route 20 (North Cascades Highway) is the primary corridor connecting Newhalem-area campgrounds to the Colonial Creek and Diablo Lake campgrounds — it typically closes for winter between November and April, effectively ending the camping season at those sites. Stehekin and its campgrounds (Purple Point, Harlequin, Lakeview) are entirely inaccessible by road and require travel by ferry, floatplane, or on foot; once in Stehekin, the valley road is served by a seasonal shuttle bus. Hozomeen is only accessible via a long unpaved road from Hope, British Columbia — do not plan to reach it from a US highway.

Fees & Passes

North Cascades National Park does not charge a standard per-vehicle entrance fee for most of the park, though the Stephen Mather Wilderness and specific recreation areas may have associated permit costs — verify current fee schedules at recreation.gov before arrival. Campsite nightly rates vary by campground and site type; group shelter sites cost more than standard individual sites. The America the Beautiful Interagency Annual Pass covers entrance fees where applicable and is worth carrying, but it does not cover campsite reservation fees.

Need to Know

All reservable campgrounds enforce a 14-day maximum stay, and the data shows demand is Very High every day of the week with no seasonal slack at the peak campgrounds. Cell service is extremely limited to nonexistent throughout most of the park — do not rely on mobile data for navigation, weather updates, or campsite changes once you leave Sedro-Woolley or Marblemount. Dogs are generally permitted at campgrounds but restrictions apply on trails within the national park boundaries; bring adequate food, water filtration, and supplies from Marblemount or Burlington before entering the park corridor, as services inside the park are minimal.

14-Day Availability

North Cascades National Park camping FAQ

How many campgrounds are at North Cascades National Park?

11 campgrounds at North Cascades National Park near Sedro-woolley, Washington.

Are there campsites available at North Cascades National Park this weekend?

No. North Cascades National Park is fully booked this weekend (October 23). Cancellations occur daily—set alerts to get notified when sites open.

How hard is it to get a campsite at North Cascades National Park?

Very difficult. Book 1-2 weeks ahead, or even last-minute.

What are the busiest months at North Cascades National Park?

Jul, Aug. July is peak season with 5,888 reservations and 19.9% booked 6+ months out; last-minute odds drop to 22.5% but many of those fill within hours of opening.

When is the best time to camp at North Cascades National Park?

May through September

What should I know before camping at North Cascades National Park?

All reservable campgrounds enforce a 14-day maximum stay, and the data shows demand is Very High every day of the week with no seasonal slack at the peak campgrounds. Cell service is extremely limited to nonexistent throughout most of the park — do not rely on mobile data for navigation, weather updates, or campsite changes once you leave Sedro-Woolley or Marblemount. Dogs are generally permitted at campgrounds but restrictions apply on trails within the national park boundaries; bring adequate food, water filtration, and supplies from Marblemount or Burlington before entering the park corridor, as services inside the park are minimal.

What are the camping fees at North Cascades National Park?

North Cascades National Park does not charge a standard per-vehicle entrance fee for most of the park, though the Stephen Mather Wilderness and specific recreation areas may have associated permit costs — verify current fee schedules at recreation.gov before arrival. Campsite nightly rates vary by campground and site type; group shelter sites cost more than standard individual sites. The America the Beautiful Interagency Annual Pass covers entrance fees where applicable and is worth carrying, but it does not cover campsite reservation fees.

Where is North Cascades National Park?

Washington, near Sedro-woolley. 11 campgrounds with reservable sites.

Track Availability at North Cascades National Park

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