Frequently Asked Questions

What is Ozark Natural Science Center?
Ozark Natural Science Center is a private, nonprofit, environmental education center and conference facility. ONSC was established in 1990 with a mission to enhance the understanding, appreciation and stewardship of the Ozark natural environment.

Where is ONSC?
ONSC is located in Madison County, in the heart of the Interior Highlands of the Springfield Plateau, a natural division of the Ozark eco-region. Our campus is located three miles off of Arkansas Highway 23 between Huntsville and Eureka Springs. ONSC’s main campus is approximately 89 acres and is located within the 400 acre Bear Hollow Natural Area managed by the Arkansas Natural Heritage Commission. Surrounding ONSC are the 14,227 acres of the Madison County Wildlife Management Area administered by the Arkansas Game and Fish Commission.

What types of programs are available at ONSC?
School Programs: During the academic year (August-May) ONSC conducts outdoor science education programs for school groups Monday through Friday.

Adult Programs: ONSC Field School courses offer day and residential programs focusing on Ozark natural science, cultural history and the arts.

Facility Rental: Throughout the year ONSC makes its site and facilities available for business/industry groups, civic and professional organizations, church groups, families and other groups for meetings, workshops, retreats, conferences, and special events.

Are ONSC trails open to the public?
ONSC trails are NOT open to the general public while our programs are in session. Please call our office, 479-202-8340, between 8:30am and 5:00pm Monday through Friday to confirm weekday and weekend trail accessibility. A trailhead information kiosk is located in the parking area. ONSC is not responsible for hiker safety, vehicles, lost/stolen/damaged personal property.

What facilities are available at ONSC?
ONSC facilities include three heated/air-conditioned lodges accommodating up to a total of 68 participants. The 8,000sq.ft. Ewing Centre houses ONSC’s dining facility, meeting space, observation deck, and administrative offices. Adjacent to the Ewing Centre is the Education Building with classroom/meeting room, lab space, and museum discovery room. The outdoor classroom, observation deck and campfire pavilion complete the list of facilities.

How can I contact ONSC?
Phone: 479-202-8340     FAX: 479-282-2420
Email:        Web:
Mailing address: 1905 Madison 1305, Huntsville, AR 72740

What are ONSC’s office hours?
Our office is open Monday through Friday 8:30am to 5:00pm.

When is the entrance gate locked?
The entrance gate is locked Monday through Friday at 5:00pm. The gate is closed on weekends.