Go if
Minnesota Passport Club collectors can still get the Hill Annex stamp at the DNR regional office in Grand Rapids or at Scenic State Park without making the trip to the closed site.
Select a month, then check for open campsites
Price
Varies
Booking
Walk-in Only
Sites
Varies
Season
Permanently closed (...
Cell
No Service
Pets
No Pets
Select a month, then check for open campsites
Price
Varies
Booking
Walk-in Only
Sites
Varies
Season
Permanently closed (...
Cell
No Service
Pets
No Pets
We'll monitor this campground and alert you the moment sites become available.
Free to start · paid plans add 2-min scans
256,000+ sites monitored · Email, SMS, or in-app notifications
Learn more about alerts →Hill Annex Mine Fossil Tour Campground
47.3271, -93.2774
Minnesota Passport Club collectors can still get the Hill Annex stamp at the DNR regional office in Grand Rapids or at Scenic State Park without making the trip to the closed site.
Everyone else: the gates are shut, mining prep is active, the pit overlook is condemned due to an eroding wall, and no amenities or tours exist in any form.
Context for the broader area surrounding Hill Annex Mine Fossil Tour Campground, sourced from the federal Recreation.gov rec-area record.
Ririe Reservoir is formed by <A HREF="http://www.usbr.gov/projects/Facility.jsp?fac_Name=Ririe+Dam">Ririe Dam</a> which is a major feature on the <A HREF="http://www.usbr.gov/projects/Project.jsp?proj_Name=Ririe%20Project">Ririe Project </a>. Ririe Reservoir is administered by the <A HREF="http://www2.state.id.us/home/other/county/bonnevil.htm">Bonneville County</a> Parks & Recreation Department. Access to this 1,500-acre reservoir with 32 miles of shoreline is fair to good. Fishing season runs from late May through November. Available species include rainbow, brown, and cutthroat trout. Reservoir acre feet and total reservoir capacity and cubic feet/second release rates for rivers below <A HREF="http://www.usbr.gov/pn/hydromet/burtea.cfm">Upper Snake River Basin</a> reservoirs and select river locations are updated daily and graphically provided. Site offers rest rooms, boat ramp and dock, campground, swimming, and visitor center. <A HREF="http://www.usbr.gov/pn/hydromet/ramps/ririe/ririe.html"> Boat ramp elevations.</a>
Site is located 20 miles east of Idaho Falls off U.S. 26.
Compare with similar sites, watch availability, and build a packing list — Camp Sage handles all of it.
The park operated seasonally before closure, with guided tours running during warmer months. Specific seasonal conditions weren't documented in visitor feedback. Winter access was not available. Site preparation for resumed mining began in 2024, and ore extraction is planned for 2025.
Winter access was not available historically; site now permanently closed.
Hill Annex Mine State Park had no campgrounds; the park is permanently closed and no campground amenities are available.
Researching this campground? Ask anything — other campers and our team will weigh in. No visit required.
Short heads-ups about the road in, gear quirks, timing, and more. You don't have to have been here to share what you know.
Be the first to review this campground
Every adventure creates another. Share what you learned so the next camper feels a little more prepared heading out.