Make your online booking reservation at Onion River Campground - Outdoorsy in Plainfield, VT

Onion River Campground

Campground in Plainfield, VT • 26 RV Sites

Onion River Campground in Plainfield, Vermont might just rank as the best RV camping in Vermont, thanks to its prime location along the Winooski River. With RV sites and tent camping sites, there’s a spot for everyone looking to enjoy fishing, tubing, swimming, or wading right outside their campsite. The campground’s tree-lined layout inspires casual get-togethers, and clean restrooms, picnic tables, and walking trails help you settle in fast. If you want quick access to city comforts, camping near Montpelier doesn’t get more convenient—Vermont’s capital is only about 10–15 minutes away by car. You can drive in for coffee, local shops, or a taste of small-town charm, then head back to share campfire stories and riverside views. Even better, you’re also within reach of Barre and Waterbury, making day trips a breeze. Ready to discover why this Vermont campground stands out? Book your campsite now and see how easy it is to strike that perfect balance between nature and nearby town life.

Campground rules and policies

Vehicles- No idling vehicles- Strict speed limit of 10MPH- Guests in a tow-in rig must possess their tow vehicle on siteSafety & Aesthetics- Quiet hours 11 pm to 7 am- Play safe and respect others- No hard drugs, excessive alcohol use or underage drinking- No guard dogs or excessive barking- Supervise and clean up after your dog- No tarps- No clotheslines overnight- Due to Vermont State law, firewood cannot be transported more than 50 miles from the campground in order to decrease the spread of invasive insects. The campground sells firewood for $8/bundle and $20 for 3 bundlesMaximum Occupancies per Site- Max 1 RV- Max 4 people and 2 pets- Max 2 vehicles (cars/truck/motorcycle) excepting day visitors- Abandoned vehicles will be towed away at the vehicle owners expense