If you haven't paid a visit to the Flagstaff Nature Center, please stop by during the summer and fall months. Admission is free. The center is a great place to familiarize yourself with the wildlife, plants, and history of Open Space and Mountain Parks. Interactive activities and games at the center will challenge the child in all of us. Many stuffed animal mounts will show you who lives in the forests and grasslands about you. Volunteers will cheerfully answer your questions about the displays and exhibits. ItPhoto - Flagstaff Nature Center is open from 10:30 a.m. - 4 p.m. on Saturdays and Sundays, May through September. The Flagstaff  Nature Center is located on the summit of Flagstaff Mountain and is accessed by following Flagstaff Road approximately 3.5 miles to Realization Point, where you take the side road to Flagstaff Summit