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).

Cell Phone Coverage at Colonial Creek South Campground

Cell signal at Colonial Creek South Campground (Rockport, WA): none overall signal based on FCC broadband data.

Coverage data source: FCC Broadband Data Collection (BDC). Actual signal may vary due to terrain, tree cover, and distance from towers. Camper reports are more reliable than coverage maps in remote areas.

CamperWatch
CamperWatch›WA›Colonial Creek South Campground
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North Cascades National Park — lakeside, fishing, hikingLive availability via Recreation.gov· synced every 30 min

Colonial Creek South Campground

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Rockport, WA, WA★ 4.4 (440 reviews)From $24/nightFederal campground · book on Recreation.gov
On this page ↓OverviewConditionsPlan Your TripCommunity

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.

Best for:AnglersHikersBoatersFamiliesSites:TentRV
LIVE · weather + fire + AQI + availability + wildlife

Verified facts

RIDB / Recreation.gov official database
Check-in2:00 PM
Check-out12:00 PM
SeasonLate May through September
Stay limit14 days
Max RV43 ft
HookupsNo hookups. Suitable for self-contained RVs.
ADA sites3 sites
Bear boxesYes — at every site
Pull-throughsAvailable
PetsAllowed
CampfiresAllowed
Max/site6 people

Amenities

RIDB /facilities /campsites · owner-verified
Essentials
Fire RingsDrinking WaterFishing
Recreation
Picnic TablesDump Station
Family & Pets
Vault ToiletsBear Boxes

Straight talk

CamperWatch intel · curated from camper reports

Known issues, each with the workaround. Read before you book.

Known issuesFederal campground — book early. No hookups at most sites. Seasonal operations.
Skip it 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)

Insider tips & when to go

CamperWatch intel · hand-curated entry

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

Best: Late May - June

Season opens late May; book campsites #64-#95 and #116-#164 exactly 6 months in advance for best availability

Best: July - August

Peak season with optimal weather and full amenities operational

Things to do nearby

RIDB /activities /recareas + intel

Conditions today

Live
at campground coordinates

Cell signal

FCC BDC · quarterly dataset
T-Mobile
4G · 0%
Verizon
4G · 0%
AT&T
4G · 0%

FCC maps are theoretical — camper reports confirm signal.

Wildlife nearby

iNaturalist · research-grade · 8 km
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

Location

Leaflet · OpenStreetMap tiles
Open in OpenStreetMap ↗
360-854-7200· North Cascades National Park
Getting there →

Colonial Creek South Campground is located near milepost 130 on State Route 20. From Burlington, WA, drive 70 miles (113 km) east on State Route 20. From Twisp, WA, drive 71 miles (114 km) west on State Route 20.

Campground entrance

Google Maps API

Community

#community · posts, photos & Q&A · AI-moderated (Claude Vision)

Pro tips

  • Book on recreation.gov exactly 6 months ahead at 10am ET — North Cascades National Park fills fast in peak season.
  • Check current road conditions at North Cascades National Park before arrival — seasonal closures common.
  • Bear country — store all food in bear boxes or locked vehicle at all times.

Frequently asked questions

RIDB facts + intel · FAQPage schema, speakable
How much does Colonial Creek South Campground cost per night?+
Colonial Creek South Campground costs $24 per night. Hookup options: No hookups. Suitable for self-contained RVs.
What season is Colonial Creek South Campground open?+
Colonial Creek South Campground is open Late May through September. Check-in is 2:00 PM, check-out is 12:00 PM.
Does Colonial Creek South Campground have hookups?+
No hookups. Suitable for self-contained RVs.
What is the maximum RV length at Colonial Creek South Campground?+
Colonial Creek South Campground can accommodate RVs up to 43 feet.
How do I make reservations at Colonial Creek South Campground?+
Colonial Creek South Campground is a federal campground — book 6 months ahead at Recreation.gov. Set a free CamperWatch cancellation alert to be notified the moment a site opens.
What is the cell service like at Colonial Creek South Campground?+
According to FCC coverage maps, cell signal at Colonial Creek South Campground is rated none. FCC maps show theoretical coverage — actual signal in remote or heavily forested areas may be weaker.
What season is Colonial Creek South Campground open, and what are check-in times?+
Colonial Creek South Campground is open Late May through September. Check-in is 2:00 PM, check-out is 12:00 PM.

Official resources

North Cascades National ParkNational Park Service Mobile App
Compare campgroundsPlan a multi-stop trip
●Data sources on this page
Recreation.gov — Live site availability — updated every 30 min
recreation.gov · RIDB API
National Weather Service — Live hourly forecast + active alerts
api.weather.gov · open-meteo.com
Google Air Quality API — Live AQI at exact campground coordinates
airquality.googleapis.com
iNaturalist — Research-grade wildlife within 8km
api.inaturalist.org
Google Pollen API — Today’s tree, grass & weed pollen forecast
pollen.googleapis.com
FCC Broadband Map — Verizon, AT&T, T-Mobile 4G/5G coverage data
broadbandmap.fcc.gov · quarterly
Sunrise-Sunset.org — Sunrise, sunset & golden hour for today
api.sunrise-sunset.org
Google Street View — Campground entrance & access road imagery
maps.googleapis.com
RIDB — ADA sites, hookups, toilets, pets, campfire rules, bear boxes, max RV, activities, contact, directions
ridb.recreation.gov · /facilities /campsites /activities /links /recareas

CamperWatch never fabricates data. Where data is unavailable, it is not shown.

$24 /night★ 4.4 (440)
SeasonLate May through September
Check-in2:00 PM
Check-out12:00 PM
Reserve on Recreation.gov ↗
Dates full? Get an availability alert
FAQ
How much does Colonial Creek South Campground cost per night?+
What season is Colonial Creek South Campground open?+
Does Colonial Creek South Campground have hookups?+
All 7 questions →

Nearby Campgrounds

Colonial Creek North Campground

Rockport, WA

From $24/night

Gorge Lake Campground

SEDRO-WOOLLEY, WA

From $20/night

Newhalem Creek North Cascades National Park old growth forest Washington state

Newhalem Creek — North Cascades NP

North Cascades National Park, WA

From $24/night

Lower Goodell Group Campground

Rockport, WA

From $75/night

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