Colonial Creek South Campground

North Cascades National Park — lakeside, fishing, hiking

Location: Rockport, WA, WA

Price: From $24 per night

Rating: 4.4 out of 5 (440 reviews)

Season: Late May through September

Colonial Creek South Campground requires reservations during the peak season, from late May through early September of each year. Important changes to booking windows: To better serve visitors, Colonial Creek South Campground will release campsites in two staggered block releases. These block releases will be 6 months in advance and 7 days in advance.

Cell coverage (FCC estimate): none signal. Actual signal may vary in remote areas.

Amenities: Fire Rings, Picnic Tables, Vault Toilets, Drinking Water, Dump Station, Bear Boxes, Fishing

Availability alerts: Set a free cancellation alert at camperwatch.org/campground/colonial-creek-south-campground to be notified when sites open up.

Scenic campground with excellent water access for boating, fishing, and kayaking on Diablo Lake, plus nearby hiking trails. Google reviewers consistently praise the wonderful condition and proximity to Diablo Lake trailhead (10 minutes away).

Wildlife alert: Columbian Black-tailed Deer, North American River Otter, Hoary Marmot, Douglas' Squirrel, American Dipper, Mountain White-crowned Sparrow, Western Tanager, Sooty Grouse, Northern Alligator Lizard, Northwestern Garter Snake, Northern Rubber Boa

Insider tips for Colonial Creek South Campground: Book exactly 6 months in advance for campsites #64-#95 and #116-#164, or 7 days in advance for campsites #96-#113 Call ahead for same-day cancellations if arriving without reservations, as Google reviewers report success finding available sites Diablo Lake trailhead is only 10 minutes away for quick hiking excursions

Skip Colonial Creek South Campground if: You need RV hookups (no hookups available; only suitable for self-contained RVs). You prefer spacious sites (campsites are close together). You plan to visit outside late May through September (seasonal operations only). You require immediate access east on State Route 20 (Route 20 closed just past campground due to December flooding).

Best time to visit Colonial Creek South Campground: Late May - June — Season opens late May; book campsites #64-#95 and #116-#164 exactly 6 months in advance for best availability. July - August — Peak season with optimal weather and full amenities operational.

Nearby campgrounds: Colonial Creek North Campground (Rockport, WA), Gorge Lake Campground (SEDRO-WOOLLEY, WA), Newhalem Creek — North Cascades NP (North Cascades National Park, WA), Lower Goodell Group Campground (Rockport, WA).