Colonial Creek South Campground

Star4.43
632 reviews
810 State Route 20, Sedro-woolley, WA, 98284, USA
Summer Destination

Quick Facts

1,260 ft

Price

$24 - $75/night

Booking

Reservable

Sites

93 campsites

Season

Open for reservation...

Cell

No Service

Pets

Very Pet Friendly

RV Friendly

Opens National Park Service site

Official Website
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Real-Time Availability

Select a month, then check for open campsites

January 2026

Real-Time Availability

Select a month, then check for open campsites

January 2026
Colonial Creek South Campground
$24.00 - $75.00 / night
Campsite Fees
Fees range from $24.00 for Hike-To, Standard Nonelectric, and Walk-To sites to $75.00 for Group Standard Area Nonelectric sites during peak season...
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Standard Site Fee$24.00
Hookup Site Fee$0.00
Premium Site Fee$0.00
Hike and Bike Site Fee$24.00
Group Site Fee$75.00
Food Storage Locker Fee$0.00

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Provider
360-854-7200noca_information@nps.gov
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What Campers Say

4.43

Recommended

Based on 632 reviews

271 Google reviews

Most mentioned

cleanwaterlake

Some mention

noisecrowded

"Reviews of Colonial Creek South Campground are mixed, with many praising the stunning natural beauty and well-maintained facilities, while others expressed concerns about campground crowding and noise."

Read all reviews

Campground Map

810 State Route 20, Sedro-woolley, WA, 98284, USA

Colonial Creek South Campground

810 State Route 20, Sedro-woolley, WA, 98284, USA

Driving directionsColonial Creek South Campground is located near mile marker 130 on State Route 20. From Burlington, WA, drive 70 miles east on State Route 20. From Twisp, WA, drive 71 miles west on State Route 20.
The campground is accessible via State Route 20, which is a paved highway. Some campsites have paved parking spaces, but most have uneven gravel parking. No seasonal road closures were mentioned.
Nearby places
Burlington, WA (70 miles east)
Twisp, WA (71 miles west)
Nearby supplies
The nearest services such as firewood, ice, gas, and groceries are located in Marblemount, WA, which is approximately 30 miles west of the campground.

Best Time to Camp at Colonial Creek South Campground

Summer transforms this mountain sanctuary into a camper's paradise, with warm days perfect for lake adventures and cool nights ideal for campfire stories. As autumn approaches, misty mornings and frequent rain showers create an ethereal atmosphere that true nature lovers cherish. Pack your rain gear for shoulder seasons—the forest's moody beauty rewards those who embrace the Pacific Northwest's ever-changing skies.

Best
Summer(Jun-Aug)
4.5 / 5
Top 23% in WA

Summer is peak season with warm days ideal for lake activities and camping.

Fall(Sep-Nov)
3.5 / 5

Autumn offers quieter visits and misty mornings, though some services may be reduced.

Spring(Mar-May)
3.5 / 5

Shoulder-season offers quieter visits; some first-come availability before reservations open.

Winter(Dec-Feb)
Not recommended

Campground not in main reservation season; winter access and activities are limited/cold.

Planning Tips
  • Peak Season: May 19, 2025 - September 07, 2025. Book 2-3 months ahead.
  • Operating Season: Open for reservations from May 19, 2025, to September 07, 2025. First-come, first-served availability before and after the peak season.
  • Current Alerts: No active alerts were provided.

About Colonial Creek South Campground

Discover a hidden gem where 93 campsites are tucked beneath towering giants of the Pacific Northwest. Colonial Creek South Campground invites you to sleep under ancient canopies while the turquoise waters of Diablo Lake shimmer just beyond the trees. This intimate retreat welcomes tent campers and small RVs to experience authentic wilderness camping, where black bears roam freely and proper food storage becomes part of your nightly ritual. Choose between convenient drive-in sites or more secluded walk-in spots, each offering its own slice of old-growth magic.
Colonial Creek South Campground accommodates a variety of camping styles, including standard nonelectric campsites, walk-in tent sites, and group camping areas.
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Reserving a campsite

Check-in
14:00 (2 PM)
Check-out
12:00 (Noon)
Stay Limit
  • Maximum Consecutive Stay: 14 nights during a visit
  • Maximum Stay: 30 nights within a year.

Amenities available

Potable water
Flush toilets
Dump station
Fire rings
Food storage lockers
Picnic tables

Activities you can enjoy

Colonial Creek South Campground offers a wide variety of recreational activities, making it ideal for outdoor enthusiasts. Visitors can enjoy on-site hiking trails, fishing, boating, kayaking, and wildlife viewing. Swimming is available in Diablo Lake, but its chilly 43-degree water may not appeal to everyone.
HikingHiking trails accessible from the campground include the Thunder Creek Trail and Thunder Knob Trail. These trails vary in difficulty and offer scenic views. One user described Thunder Knob as "a great view of Diablo Lake," while another noted that Thunder Creek Trail was "great for families."
FishingFishing is permitted in Diablo Lake with a valid Washington State fishing license. Common catches include trout. A review noted, "Fishing is pretty decent if you can get out on the lake."
SwimmingSwimming is available in Diablo Lake, though the water temperature remains a chilly 43 degrees year-round. A user remarked, "The water is freezing cold for swimming," while others recommended kayaking as an alternative.
BoatingDiablo Lake offers opportunities for boating, including kayaking and canoeing. Sites with direct lake access are ideal for watercraft launching. A user shared, "Kayaking on the lake is really fun," and another added, "You can launch your devices from here."
Wildlife viewingWildlife viewing opportunities abound, with deer, geese, and even black bears reported in the area. Campers are reminded to use bear-proof storage lockers to prevent wildlife encounters.
Cultural and Educational ProgramsThe campground features an amphitheater where ranger-led educational talks are occasionally conducted. Visitors highlighted a need for more frequent ranger programs.
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Policies & Safety

Hazards & AlertsBlack bears are active in the area. Other wildlife like raccoons may also pose a concern. Uneven gravel parking and proximity to water features may require caution.
Active AlertsNo active alerts were provided.
No Cell ServiceCell phone service is not available at this campground. Plan accordingly for emergencies and download offline maps before arriving.
Food Storage RequiredFood storage lockers are provided at each campsite to protect food from wildlife.

Weather at Colonial Creek South Campground

Reviews

4.4
632 reviews
Recommended
Recommended
Colonial Creek South Campground is recommended, placing it in the top 40% of campgrounds based on reviews
Reviews of Colonial Creek South Campground are mixed, with many praising the stunning natural beauty and well-maintained facilities, while others expressed concerns about campground crowding and noise.
Review Summaries
Based on 632 reviews

What Campers Love

"The campground is very clean and nestled in beautiful nature!" "Flush toilets and potable water are available, and the lake's proximity is fantastic."
Based on 632 reviews

Common Concerns

Complaints include noise from other campers, small and closely packed campsites, and insufficient enforcement of quiet hours. "There was no quiet hours enforcement. Party central." Another noted,...
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Based on 632 reviews

Pro Tips & Recommendations

Campers suggest bringing earplugs due to the close proximity of sites and potential noise. Stock up on firewood and other supplies in Marblemount, as these are not available on-site.
Based on 632 reviews

Seasonal Insights

Peak season reviews note the campground's popularity, resulting in crowds and limited privacy. Off-peak visits are described as quieter and more enjoyable.
Based on 632 reviews

Camper Quotes

"Right on Diablo Lake with stunning views!" "Bathrooms were clean and well-stocked." "The rangers were very friendly and helpful."
Based on 632 reviews

Site-Specific Reviews

Site 079 is frequently praised for its lake access and proximity to clean restrooms. Negative reviews often center around sites like 099, which are described as cramped and lacking privacy.
Based on 632 reviews

Accessibility Features

Accessible sites, restrooms, and parking are available. Reviews highlight the thoughtfulness of these features, though specifics about site layouts are limited.
Based on 632 reviews

Pet-Friendly Features

Pets are allowed, but no specific reviews address pet-related facilities or policies.
Based on 632 reviews

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Last updated January 13, 2026
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