Experience Serenity and Natural Wonders at Hidden Valley Natural Tunnel
Hidden Valley Natural Tunnel in Phoenix offers a peaceful hiking area where nature lovers can escape the city noise and discover a spectacular natural tunnel formation. This quiet trail features a mix of rocky and sandy terrain, providing a moderately challenging yet rewarding hike through scenic desert landscapes.
Visitors often enjoy solitude here, with opportunities to see the impressive stone ramadas and soak in the serene surroundings. The tunnel itself is spacious enough to walk through comfortably and stands as a unique geological marvel. While some parts of the trail require careful navigation, the stunning views and tranquil atmosphere make this a must-visit destination for avid hikers and nature enthusiasts.
​
Add Review
Read More Reviews
Jami Marlies
5 months agoTwo men visiting Phoenix for a wellness conference asked me for directions. Instead of giving them I took them to see South Mountain. I took them to the stone ramadas and then Natural Tunnel off of National Trail.
Jeremy Little
2 years agoThe hike here was nice, I had the trail to myself, there were bikes going up and down but it was nice to hike solo. I really enjoyed being here by myself.it was so quiet and serene. This was my first time hiking to the tunnel it took me an hour and ten minutes to get to the fork...I highly recommend you hike this trail and go visit the hidden valley natural tunnel to see how beautiful it really is in person it's one of those "you had to be there" things...it's a good place to escape the sounds of the city to find the quietness of nature. The tunnel is also large enough to walk through without slouching over at all...I am 5'9 and can walk through without touching the top or sides...I hope y'all enjoy my little review and maybe I'll see y'all out there somewhere...have a blessed day...hike safely...
Jason Burlingame
6 years agoFirst time on this trail, stats off a little rocky and steep, but gradually gets less rocky and more sandy. The whole loop took me about 2 hrs, i did stop and take several photographs along the way, you have to. The views from up there were amazing. The tunnel itself pretty cool that it naturally formed that way. My only gripe is the trail isn't marked in a few spots and i got off trail a few times but managed to find my way back.
Diane Crawford
3 years agoWhat a treasure in the middle of South Mountain! We took the Pima Wash trail to the outposts then hooked up to the Maricopa national trail to the Hidden Valley trail. This was apr 6.5 miles out and back. Not a beginners hike with rocks and some big steps. WATCH for fast bikers! Once on the national trail expect elevation climb and cool pancake stacked rocks. Totally fascinating! Clean bath stalls, shade and picnic area at this trailhead.
Heidi Liou
5 years agoDifficulty: 4/10 (I think it’s pretty easy!) The loop took about 2 hours round trip. Saw lots of kids and hike on the trail. Very scenic walk/hike and very different than other parts of South Mountain.