Siuslaw National Forest · Oregon
Overview 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. Recreation The campground offers an open-space style group camping experience, featuring a recently completed picnic shelter.
Sites at Castle Rock Group Campground are reserved through Recreation.gov. Sites here can be reserved in advance through the official system, and they are claimed fast — cancellations then trickle back all season, unannounced, at any hour of the day or night.
| Total sites | 1 |
|---|---|
| Site types | Group |
| Location | Hebo, OR |
| Book through | Recreation.gov |
| Official listing | Recreation.gov |
Because sites are booked months ahead, a steady share of reservations get cancelled as trips fall through. Each cancellation instantly returns that site and those nights to the official calendar — first-come, first-served, no waitlist, no announcement. Refreshing the booking page yourself, every few minutes for weeks, works in theory. In practice, the people who get these sites are the ones who hear about the opening first.
itOpened scans the Recreation.gov calendar for Castle Rock Group Campground around the clock. When a site matching your dates and your vehicle opens, you get a text with a direct link to it. You book it yourself, in your own account, at the normal price. We never book, hold, or resell — your fee pays for monitoring, and openings are first-come, so speed is the whole game.
| Sandbeach Campground - Sand Lake Recreation Area | Cancellation alerts available |
|---|---|
| Driftwood | Cancellation alerts available |
| Horsfall | Cancellation alerts available |
| Sutton Campground | Cancellation alerts available |
| East Dunes Campground - Sand Lake Recreation Area | Cancellation alerts available |
| Tillicum Beach Campground (OR) | Cancellation alerts available |
| Waxmyrtle Campground | Cancellation alerts available |
| Eel Creek Campground | Cancellation alerts available |
| Lagoon Campground | Cancellation alerts available |
| Cape Perpetua | Cancellation alerts available |
| Alder Dune | Cancellation alerts available |
| Spinreel | Cancellation alerts available |
| Horsfall Sand Camping | Cancellation alerts available |
| Horsfall Beach | Cancellation alerts available |
| Blackberry | Cancellation alerts available |
| Tahkenitch Campground | Cancellation alerts available |
| Tahkenitch Landing | Cancellation alerts available |
| Umpqua Sand Camping | Cancellation alerts available |
| Hauser Sand Camping | Cancellation alerts available |
| Carter Lake | Cancellation alerts available |
| Bluebill Campground | Cancellation alerts available |
| West Winds Campground - Sand Lake Recreation Area | Cancellation alerts available |
| Spinreel Sand Camping | Cancellation alerts available |
| Siltcoos Sand Camping | Cancellation alerts available |
| Tyee Campground - Oregon Dunes | Cancellation alerts available |
| Wild Mare Horse Camp | Cancellation alerts available |
| Hebo Lake Campground | Cancellation alerts available |
| Rock Creek Campground (OR) | Cancellation alerts available |
| South Jetty Sand Camping | Cancellation alerts available |
| Horse Creek Campground | Cancellation alerts available |
| Canal Creek | Cancellation alerts available |
| River Edge | Cancellation alerts available |
| Rocky Bend Group Campground | Cancellation alerts available |
Page data refreshed 2026-10-29. Site facts come from the official directory listing for Castle Rock Group Campground; cancellation statistics come from our own scanning logs.