RV Water Fill Points in Idaho

15 RV water fill points mapped in Idaho · 15 with drinking water. 11 carry a name in OpenStreetMap; the remaining 4 are mapped but unnamed.

Open Idaho on the map
All 15 work offline, with no signal.

What the data says about Idaho

None are recorded as free, 10 charge a fee, and 5 have no fee recorded either way. Unrecorded means unknown, not free.
15 also have drinking water on site.
1 publish opening hours; the rest do not, so call ahead outside business hours.
Most common operators: City of Caldwell (1), Sun Creek RV Park, LLC (1).
11 of 15 carry a name in OpenStreetMap. The rest are real, mapped locations that nobody has named yet.
Idaho reaches 47.5°N. Northern RV water fill points are commonly winterised and shut off from roughly October to April — OpenStreetMap rarely records this, so assume seasonal closure and confirm before you rely on one.

water closed in October

43.64422, -115.75378 · Drinking water
Free Water

43.50935, -112.01977 · Drinking water
Caldwell RV Park

43.65845, -116.67161 · Paid · Drinking water · City of Caldwell
Mountain View RV Park

43.56815, -116.20556 · Paid · Drinking water
Mason Creek RV Park

43.59222, -116.55442 · Paid · Drinking water
Ambassador RV Resort

43.66514, -116.64118 · Paid · Drinking water
Canyon Springs RV Resort

43.69056, -116.70053 · Paid · Drinking water
Boise / Meridian KOA Journey

43.60172, -116.39715 · Paid · Drinking water
Boise Riverside RV Park

43.65815, -116.27628 · Paid · Drinking water
Sun Creek Point RV Park

43.67176, -116.65533 · Paid · Drinking water · Sun Creek RV Park, LLC
Center Point RV Park

43.59871, -116.56951 · Paid · Drinking water
RV water fill point near Arco

43.63087, -113.29318 · Drinking water
RV water fill point near Arco

43.62675, -113.29601 · Drinking water
RV water fill point near Lincoln

43.51078, -111.96575 · Drinking water
RV water fill point near Harrison

47.45385, -116.78723 · Paid · Drinking water · 24/7