Dump station · near Castle Rock, WA
Castle Rock RV Dump Station (S Loop)
Castle Rock RV Dump Station (S Loop) is an RV dump station near Castle Rock, WA. We do not have a confirmed fee for it yet.
Dump station details
- Type
- Dump station
- Fee
- Fee unknown
- Fresh water
- Unknown
- Address
- South Loop, Castle Rock, WA 98645
- Location
- near Castle Rock, WA (Cowlitz County)
- GPS
- 46.29761, -122.81878
$5 if you have not paid to camp. Closed during the Winter.
Hours, fees and seasonal closures change. If you're going out of your way, call ahead or check the operator's website first. Not sure what to expect? See what RV dump stations typically cost. Something wrong? Report a change.
Source: OpenStreetMap contributors. Checked November 2026.
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Frequently asked questions
Is the dump station at Castle Rock RV Dump Station (S Loop) free?
We have not confirmed the fee yet. Truck stops and campgrounds often charge non-customers, so call ahead. The nearest station confirmed as free is City of Longview RV Dump Station, about 14 miles away.
Can I fill fresh water at Castle Rock RV Dump Station (S Loop)?
We have not confirmed fresh water here. Anderson Park lists potable water, about 35 miles away.
Other RV dump stations nearby
| Name | Location | Distance | Type | Fee | Fresh water |
|---|---|---|---|---|---|
| Mt. St. Helens RV Park Dump Station | Near Castle Rock, WA | 3 mi | Dump station | Fee unknown | — |
| City of Longview RV Dump Station | Longview, WA | 14 mi | Dump station | Free | — |
| Mossyrock RV Dump Station (Beach Rd) | Near Mossyrock, WA | 21 mi | Dump station | Fee unknown | — |
| County Line Park Dump Station | Near Puget Island, WA | 21 mi | Dump station | Fee charged | — |
| Upper Dumpstation | Near Onalaska, WA | 22 mi | Dump station | Fee charged | No |
| Mossyrock RV Dump Station (A Loop) | Near Mossyrock, WA | 22 mi | Dump station | Fee unknown | — |
| Lower Dump Station | Near Onalaska, WA | 23 mi | Dump station | Fee charged | No |
| Mossyrock RV Dump Station (Ajlune Rd) | Near Mossyrock, WA | 24 mi | Dump station | Fee unknown | — |
All dump stations near Castle Rock · All Washington dump stations