USBR · Montana
Jo Bonner Campground in Montana. Ringed marker is this site; the other dots are the 803 public campsites we map in Montana.
Jo Bonner Campground is located at the Northeastern end of Canyon Ferry Reservoir; 30 miles east of Helena, Montana and offers year-round access to a wide range of recreational opportunities. Jo Bonner Campground is named for Josephine Agnes Martin Bonner (1907-1965) by Montana's Governor John Bonner (1902-1970). Today, Jo Bonner Campground is a small quaint campground that offers easy access.
Motocamp routes the vehicle you are actually in and picks up the road surface on the way. Download the state and it keeps working with no signal.
Start a 14-day trialSource: Recreation.gov, dated 2026-02-25, fetched 2026-09-07. Official listing.