Overview Edna Campground is located 56 miles northeast of Boise, Idaho, in a scenic Ponderosa Pine forest along Highway 21 at an elevation of 5,700 feet. Historic Idaho City is just 18 miles south. This campground contains 11 sites. Picnic tables, utility tables, and fire rings are provided, along with two vault toilets and a water pump. The site is in an open area with shade. Parking spurs are graveled. Due to its proximity to the highway, some noise from passing traffic is to be expected.High