Not all of these canyons are slot canyons, some are box canyons · 1. Pioche. slot canyon at cathedral gorge state park, nevada - cathedral. Canyoneering, climbing, hiking and Special Canyons. A-7 Brazos Box · 3. Distance from Pioche: 8 miles / 10 mins. Seeing the Milky Way's entire galactic center pop through. New Mexico Slot Canyons. Bungonia Gorge Slot Canyon Red Track- Bungonia National Park intro Base of the Canyon. A-7 Beaver. Stargazing From the Slot Canyons at Cathedral Gorge. A fantastic exploration of a sandstone river gorge but watch out if there has been any rainfall! Ascend this and pick up a social trail along the canyons rim. A-7 Toltec Gorge ACA Canyon Rating 2 · 4. Lots of very interesting rocks, formations, beautiful views and the guides knew lots of information about. NEVER ENTER A SLOT CANYON WHEN HEAVY RAIN IS IN THE FORECAST. Bull Valley Gorge, a narrow slot canyon tributary of the Paria River in Grand Staircase-Escalante NM - reached by Cottonwood Canyon Road. This was an awesome short and easy but beautiful hike. A-6 Cañones Box · 2. .