RV park · KOA in Carroll, Coös County, New Hampshire.
| Electric hookups | Yes |
|---|---|
| RVs welcome | Yes |
| Dump station | Yes |
| Wi-Fi | Yes |
| Phone | (603) 838-8008 |
| Website | koa.com/campgrounds/twin-mountain |
| Address | 372 State Route 115, Twin Mountain, NH, 03595 |
We only list amenities a source records. A missing item doesn't mean the campground lacks it, so check with Twin Mountain / Mt. Washington KOA Holiday before you go.
Lakes and ponds on LakeRipple within 10 miles, closest first (straight-line distance to the shoreline). Each page has boat launches, beaches, fishing and today's weather.
Twin Mountain / Mt. Washington KOA Holiday is in Carroll, Coös County.
Sources: OpenStreetMap contributors (ODbL). Pulled Oct 12, 2026. Interactive map: Leaflet with © OpenStreetMap contributors. Seasons, rates and rules change; confirm with the campground.