Palo Duro Paseo del Rio is one of Palo Duro Canyon State Park's standout hiking destinations, winding through TX's diverse terrain. The trail covers 3.0 miles with 200 feet of elevation change, making it a easy outing suitable for most trail users. Trail stats: 3.0 miles, 200ft elevation gain, Easy difficulty. Surface: Sandy. Trail type: Out-and-Back. Estimated time: 1.5 hours. Fee: $8/person. Dogs: Yes, on leash. Permit: No. Wildlife in the area includes mule deer, roadrunners, coyotes. Keep your eyes open and maintain a respectful distance from any animals you encounter. Best seasons: Fall through spring; canyon floor walk along Prairie Dog Town Fork. Recommended gear: sturdy trail shoes, 2+ liters of water, sunscreen, and a trail map. In summer, an early start beats the heat on this exposed TX trail. Practice Leave No Trace: pack out all waste, stay on the marked trail, and leave rocks and plants undisturbed.