Siuslaw National Forest — riverside, hiking
Location: Hebo, OR, OR
Price: From $75 per night
Rating: 3.8 out of 5 (16 reviews)
Season: May through October
Located along Three Rivers, this group campground is ideal for family gatherings and group arrangements. Conveniently located on Highway 22 and surrounded by forest, this campground provides a picturesque setting to enjoy a fun-filled, group camping experience. The campground offers an open-space style group camping experience, featuring a recently completed picnic shelter.
Cell coverage (FCC estimate): moderate signal. Actual signal may vary in remote areas. Best carrier: Verizon. Verizon 4G: 100%. AT&T 4G: 100%. T-Mobile 4G: 0%.
Amenities: Fire Rings, Picnic Tables, Vault Toilets
Availability alerts: Set a free cancellation alert at camperwatch.org/campground/castle-rock-group-campground to be notified when sites open up.
Located along Three Rivers with a recently completed picnic shelter, this group campground is ideal for family gatherings surrounded by forest. The river provides opportunities for fishing and summer swimming with hiking trails nearby.
Wildlife alert: Douglas' Squirrel, Humboldt's Flying Squirrel, Townsend's Chipmunk, Northern Pygmy-Owl, and Hooded Merganser documented in the area
Insider tips for Castle Rock Group Campground: Book early - this is a federal campground with high demand Group camping focus - ideal for family gatherings rather than individual sites Located on Highway 22, 4.2 miles south of Hebo for easy access
Skip Castle Rock Group Campground if: You need hookups - no hookups available at this campground. You're visiting outside May-October - seasonal operations only. You prefer individual tent sites - only 1 group site available.
Best time to visit Castle Rock Group Campground: May-October — Campground operates seasonally May through October only.
Nearby campgrounds: Hebo Lake Campground (Hebo, OR), Sandbeach Campground - Sand Lake Recreation Area (HEBO, OR), East Dunes Campground - Sand Lake Recreation Area (Hebo, OR), Rocky Bend Group Campground (HEBO , OR).
Cell signal at Castle Rock Group Campground (Hebo, OR): moderate overall signal based on FCC broadband data. Best carrier: Verizon.
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.



Located along Three Rivers, this group campground is ideal for family gatherings and group arrangements. Conveniently located on Highway 22 and surrounded by forest, this campground provides a picturesque setting to enjoy a fun-filled, group camping experience. The campground offers an open-space style group camping experience, featuring a recently completed picnic shelter.
Known issues, each with the workaround. Read before you book.
Book early - this is a federal campground with high demand
Group camping focus - ideal for family gatherings rather than individual sites
Located on Highway 22, 4.2 miles south of Hebo for easy access
Campground operates seasonally May through October only
FCC maps are theoretical — camper reports confirm signal. Best carrier: Verizon.









From Hebo, OR: Travel south on Highway 22 for 4.2 miles. The campground is on the right.
CamperWatch never fabricates data. Where data is unavailable, it is not shown.
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