Greenleaf State Park Trail offers a memorable hiking experience in Braggs, OK. Covering 6.0 miles with 400 feet of elevation change, this moderate trail showcases Oklahoma's varied landscapes. Trail specs: 6.0 miles, 400ft elevation gain, Moderate difficulty. Type: Loop. Surface: Dirt. Time: 2.5-3 hours. Fee: $5/vehicle. Dogs: Yes, on leash. Permit: No. Wildlife sightings include white-tailed deer, herons, wild turkeys. Oklahoma's diverse ecosystems support a surprising range of species. Best times: Year-round; heavily forested Ozark foothills lake. Gear up with sturdy footwear, plenty of water, and sun protection. Oklahoma weather can shift quickly—check forecasts before heading out. Follow Leave No Trace principles: carry out all trash, stay on marked trails, and respect wildlife and other visitors.