RV dump service closed for the season. Outside the published season (May to September). Do not plan on dumping here until the operator confirms service.
Lewis and Clark Caverns State Park has an RV dump station. There is a $5 charge to use it, and the park marks it as available only May to September.
RV dump service closed for the season.Outside the published season (May to September).
Know before you arrive.
- Who can use it
- Closed for the seasonThe source does not say whether people who are not camping may use the dump station.
- Dump-station fee
- $5Normal fee, suspended while dump service is unavailable.Payer not stated$5. The source does not say whether this applies to non-campers.
- Service hours
- Dump-station hours are not published in the checked source.Normal schedules do not apply while dump service is unavailable.
- Season & restrictions
- RV dump service closed for the season. May to September
- Location
- Coordinates 45.83410, -111.86270Map point marks the middle of the larger property, not the dump-station entrance. Map point: Wikidata (CC0).
- Drinking-water fill
- Not confirmed in the checked source.
- Rinse water
- Not confirmed in the checked source.
Where the information comes from.
Official information checked October 1, 2026. This is a source check, not an on-site inspection or a live-status guarantee. Operator: Montana Fish, Wildlife & Parks.
View evidence from Montana Fish, Wildlife & Parks
Lewis & Clark Caverns State Park | Montana FWP
“There is a $5 charge to use the dump station.”
“*Only available May-September”