No detected openings were recorded in the last 90 days. Campsite Sniper monitors Jo Bonner Campground continuously and will alert you if that changes.
Of the 51 tracked site-nights (May 1 – May 3, 2027): 51 not yet released.
No online availability in the tracked window
Load status
May 1 – May 3, 2027Of the 51 tracked site-nights (May 1 – May 3, 2027): 51 not yet released.
Open dates by month
May 2027 – May 2027No month in range currently shows online availability. 0 open site-nights across the tracked window — these site-nights have not been released for booking yet.
Holiday windows
Sites open per night · of 17 sites| Window | Night | Sites open | Status |
|---|---|---|---|
| Memorial Day | FRI May 28 | 0 | None open |
| SAT May 29 | 0 | None open | |
| SUN May 30 | 0 | None open | |
| MON May 31 | 0 | None open |
Memorial Day: no online availability on any tracked night.
Tracked window
CoverageCampsite Sniper's data for this facility starts May 1, 2027. That is about 180 days after the current snapshot was taken, so dates before May 1, 2027 are not covered by what Campsite Sniper tracks here — they are not known to be unavailable. The site-nights shown on this page describe May 1, 2027 onwards only. Check Recreation.gov for earlier dates.
About Jo Bonner Campground
Overview
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.
Recreation
Canyon Ferry Reservoir offers a wide range of year-round recreational opportunities. Water related activities include everything from swimming and fishing to sailing and motor-boating. Canoeists and kayakers explore the many quiet backwater bays. Jet skiers, windsurfers and water skiers skim the summer waves, while winter draws ice fishermen, ice boaters and ice skaters.
Facilities
Jo Bonner Campground has 17 designated campsites . Each campsite has a picnic table and a fire rings. During the recreation season facilities at Jo Bonner campground include two vault toilets, potable water, trash dumpster, and a campground host. There is a gravel boat launch with a courtesty dock located just outside of the campground.
Natural Features
Jo Bonner Campground is located at northern end of Canyon Ferry Reservoir between the Big Belt and Elkhorns mountain ranges.
Nearby Attractions
Jo Bonner Campground on Canyon Ferry Reservoir is located halfway between Yellowstone National Park and Glacier National Park along with the capital city of Helena, Montana. For up to date events visit, www.helenamt.com.
Getting there
Heading north along MT Highway 12/287 from Townsend, MT, turn right onto Spokane Creek Road. Follow Spokane Creek Road for 4.6 miles and turn right onto County Road 430/Canyon Ferry Road and continue 7.9 miles. Turn right on to East Shore Drive and continue straight .3 miles to Jo Bonner Campground.
View on Recreation.gov ↗ Get directions ↗
Photo gallery
FAQ
How do I get a reservation at Jo Bonner Campground?
Campsite Sniper's current snapshot shows none of the 51 tracked site-nights open for online reservation at Jo Bonner Campground. That can mean dates are reserved, closed, not yet released, or offered first-come, first-served rather than online. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.
Does Campsite Sniper book this campground for me?
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
How current is this availability data?
Campsite Sniper re-checks public Recreation.gov availability for this facility every hour and republishes whenever anything changes. This facility's data last changed at Nov 2, 2026 17:20 UTC; an older timestamp means nothing has changed since that time, not that checking stopped. Always confirm final availability on Recreation.gov when you book.
Which sites at Jo Bonner Campground fit a 35-foot RV?
14 of the 17 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 100 ft.
When is the next open date at Jo Bonner Campground?
Campsite Sniper cannot answer that from the current snapshot. The availability data held for Jo Bonner Campground begins May 1, 2027 — about 180 days after this snapshot was taken, so any earlier dates are outside what Campsite Sniper is tracking here rather than known to be unavailable. Check Recreation.gov for dates before May 1, 2027.
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When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.