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Alamo Canyon/Bathtub Tank

 4.5 (11)

This loop is not on Catalina Mountain Trail maps, even so, it features varied terrain with outstanding views.

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Point to Point

3,003' 915 m


2,683' 818 m


333' 102 m


333' 102 m



Avg Grade (2°)


Max Grade (12°)

Dogs Leashed

Features Birding · Fall Colors · River/Creek · Spring · Wildflowers · Wildlife

Catalina State Park pass needed ($7.00). Drive to Romero Ruin Parking area on left.


This trail begins in the Romero Ruins parking lot. You'll strike out to the southeast and immediately cross over a wide, sandy wash. Just on the other side is a fork in the trail. Going left would have you doing the Romero Ruins Loop, so take a right.

Soon you'll find yourself at another junction. The main trail, which you'll want to stay on, curves to the left, while another path links up with it on the right. Follow the trail eastward and then watch for the trail to curve right (southeast) again and go through some trees.

The trail will curve due south and there will be one connecting trail coming in from the left, but you'll go straight past it. After that junction, the trail will begin to meander through a small wash and as it gets closer!

Bathtub Tank itself is found in the canyon just below a junction where your trail makes a turn to the northwest. If rain or snow melt has occurred then the bathtub will have water in it.

When you're ready to go back, keep going on the loop as it starts to head back towards the big wash on the west side of the small canyon with the Bathtub. You'll wind through the desert for a while.

You'll have a choice to make since there is a junction in the bottom of the wash. Take a right and head down the canyon to the wash, which is the path this profile follows. This profile directs you to cross right over it to a path on the other side.
You're not far from the road at this point, so just follow the path that runs alongside the wash and watch for for the trailhead on your left.

There are lots of trails out here but the main trail is worn. I had a GPS track but only needed it to reassure us that we were on the right track. It was not difficult to follow. Take a map, GPS or Hiking Project mobile app with the track, and plenty of water.


Land Manager: AZ State Land Department

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Trail Ratings

  4.5 from 11 votes


  4.5 from 11 votes
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in Arizona


22 Views Last Month
2,954 Since Jan 31, 2017



Wildflowers in the spring :)
Mar 22, 2019 near Oro Valley, AZ
Pointing out one of many saguaros on the way up the trail before crossing over the running water at bathtub tank a short distance away
Jan 26, 2020 near Oro Valley, AZ
The scenery in Catalina State Park is sublime!
Mar 24, 2017 near Oro Valley, AZ
Some of the stairs of the Romero Ruins Interpretive Trail.
Mar 31, 2019 near Oro Valley, AZ
Leviathan Dome, from the Alamo Canyon Trail in Catalina State Park
Dec 9, 2017 near Oro Valley, AZ
Dogs on a leash are fine on the Alamo Canyon/Bathtub Tank trail, as long as you don't go south at this branch trail.
Dec 9, 2017 near Oro Valley, AZ



Current Trail Conditions

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All Clear 88 days ago See History
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Mar 10, 2020
Lynne Gray
Feb 15, 2020
Shannon VD
3.1mi — 2h 12m
Jan 19, 2020
Eric Heise
Hiked with Lori 3.1mi — 2h 05m
Jan 1, 2020
Julian Sanchez
We saw a beautiful waterfall along the way making this trail a favorite. 3.3mi — 1h 14m
Jan 1, 2020
Freddie Sanchez
Great hike. I can't believe this is not on the main map given at the front desk. It's truly a hidden gem. 3.3mi — 1h 41m
Nov 11, 2019
Nice hike. Many other mystery trails split off of this loop. 3mi — 1h 05m
Mar 15, 2019
Josh Ogbeide
Jan 20, 2019
Greg Byrne