SunBasin RV Park and Campgrounds: RV park in Ephrata, Washington
Run this RV park? Correct anything on this page free — no card, no account.
The area: This RV park sits about 15 miles southeast of Quincy (about 7,800 people), in Grant County. 13 other RV parks and campgrounds lie within about 15 miles.
For guests
- Amenities: OpenStreetMap doesn't yet list amenities for this RV park. Amenity data comes from OpenStreetMap and can be incomplete.
- Getting there: use the map above for directions. Always call ahead to confirm the RV park is open and has a site for your rig.
- Long-term stays: if you're looking for a monthly or seasonal site, ask the office — many RV parks keep a few long-term spots separate from nightly bookings.
- Paying: ask how the RV park takes payment. Parks that run on Lot Sidekick give long-term guests clear, itemized bills for rent and submetered utilities.
Common questions
Where is SunBasin RV Park and Campgrounds?
SunBasin RV Park and Campgrounds is an RV park in Ephrata, Washington, in Grant County (coordinates 47.10565, -119.60989 per OpenStreetMap).
Is this SunBasin RV Park and Campgrounds's official website or phone number?
No. This is SunBasin RV Park and Campgrounds's page in the Lot Sidekick RV park & campground directory, built from OpenStreetMap. We're independent of the RV park and can't take messages for it. The RV park's own contact is listed above.
What amenities does SunBasin RV Park and Campgrounds have?
OpenStreetMap doesn't yet list amenities for this RV park. Amenity data is community-maintained on OpenStreetMap and may be incomplete — contact the RV park to confirm hookups, rates, and availability.
Does SunBasin RV Park and Campgrounds take long-term or monthly stays?
OpenStreetMap doesn't record stay length, so check with the RV park directly. Many RV parks in Washington offer monthly or seasonal sites alongside nightly ones.
Nearby in Grant County
- Ephrata RV Park · Grant County · RV Park
- Shady Tree RV · Quincy · RV Park
- Entzel RV Park · Grant County · RV Park
- Colockum Ridge · Grant County · RV Park
- Suncrest RV Park · Grant County · RV Park
Free tools for this park
- Park value & profitability estimator: what a park earns on its monthly sites, and what that's worth.
- Submeter calculator: two meter reads in, an at-cost tenant bill out — the same math for a submetered electric pedestal or a water meter.
- Prorated rent calculator: the exact first- or last-month charge when a monthly guest arrives mid-cycle.
- RV park & campground billing: how Lot Sidekick bills long-term and seasonal sites on one flat price.
Source: OpenStreetMap (tourism=caravan_site and camp_site), via the Overpass API, as of July 22, 2026. © OpenStreetMap contributors, ODbL (opendatacommons.org/licenses/odbl). Listings are community-maintained and can lag real life. See something out of date? Tell us, or claim the page.