Keystone Ancient Forest

 At the Keystone Ancient Forest you'll hike amidst a classic Oklahoma cross timbers forest with 500-year-old cedars and 300-year-old post oak trees. Come out and take in all that this magnificent forest has to offer inside a 1,380 acre nature preserve listed by The Nature Conservancy as one of the last great places on earth! 

Deer, mountain lion, bobcat, American eagles, migratory birds, and over 80 varied species of butterflies inhabit this place. So enjoy, but please leave only footprints during your hike.

HOURS OF OPERATIONS  :   Open Thursday 7am-2pm, Friday-Sunday 7am-6pm

Property is locked promptly at closing time.

Dogs are allowed the 1st weekend & 3rd weekend of each month. Please pick up pet waste baggies provided, and a 6 ft leash is required at all times. 

Pet Friendly Weekends 

  • March 18th, 19th       
  • April  8th, 9th, 22nd, and 23rd
  • May  6th, 7th, 20th, and 21st
  • June 3rd, 4th, 17th and 18th
  • July 1st, 2nd, 15th and 16th 
  • August  5th, 6th 19th and 20th 
  • September 2nd, 3rd, 16th and 17th 
  • October 7th, 8th 21st, and 22nd 
  • November 4th, 5th, 18th and 19th
  • December 2nd, 3rd, 16th and 17th

Please see our Facebook page for current updates and special events.

Trail Ambassadors

Volunteer trail ambassadors help staff, monitor the parking lot, and hike the trails offering information and assistance. You can hike alone, or if there are enough trail guides available and you choose to, someone may hike with you to help interpret the forest landscape and this interpretative project in the making!


No reservations are needed.  Pets are allowed on select hike with your dog days. Wear comfortable hiking attire, sun screen, and bug spray if you would like.