Black Rock Loop Trail

MODERATE 10 reviews

Black Rock Loop Trail is a 4.6 mile moderately trafficked loop trail located near Tucson, Arizona that features beautiful wild flowers and is rated as moderate. The trail is primarily used for hiking, walking, nature trips, and birding and is accessible year-round.

4.6 miles
393 feet

kid friendly



nature trips




wild flowers


washed out

The natural-surface Sweetwater Trailhead is located at the southern end of Tortolita Road. The preserve is open dawn to dusk. Dogs are permitted on leash The Sweetwater Preserve is a 703.26 acre preserve located in the eastern foothills of the Tucson Mountains of Southern Arizona, west of Tucson. Within approximately one-half mile of the Preserve are Saguaro National Parks Tucson Mountain District, and a biological research preserve owned by the University of Arizona. Tucson Mountain Park is also located a short distance to the south. The lands that comprise the Sweetwater Preserve were acquired using monies from the 2004 Open Space Bond measure. The community strongly supported acquisition of this property and worked diligently to realize the establishment of this preserve. The natural-surface Sweetwater Trailhead is located at the southern end of Tortolita Road. The preserve is open dawn to dusk. Dogs are permitted on leash.

13 days ago

Not easy to get lost from trail to trail

20 days ago

This is probably the best marked trail I've ever been on. The desert flowers were just starting to bloom and it was quite pretty. Multi use trail good for hiking, mountain biking, horseback riding, and people with dogs. There is a good trial system here at the Sweetwater Preserve. From the parking lot to the Black Rock Loop and even adding a few other off shoot trails, there isn't a lot of elevation loss or gain though. There may be on some on the other trails but... The trail signage is wonderful-well marked and easy to understand. And parking is free!

1 month ago

Nice easy hike through a lovely saguaro forest. The path can be pretty rocky at times, which can be a little difficult, but there are no real inclines that make it tough. Just going down the Sweetwater Preserve trailhead opens you up to a lot of other trails/loops that you can head down as you head to the Black Rock Loop so you can customize and expand your hike if you feel like it. It is used a fair amount by mountain bikers and you will occasionally need to hop to the side of the trail to let them pass but it is no big deal or inconvenience if you are paying attention to your surroundings like you already should be. Overall, nothing mindblowing but a nice hike through some interesting terrain.

1 month ago

Really beautiful hike with high density saguaros. Very easy and flat so it's good for kids and dogs but watch out for rogue thorns in the trails as there are quite a few fallen cacti along the path. Id recommend taking the wildflower/arrow pathway to get to the loop as it's a bit farther away from the houses and more beautiful.

1 month ago

Pretty rolling walk through a ton of big fat saguaros. Would be a great trail for trail running. This is in no way a moderate trail; it's very easy. Mostly flat, well maintained with a few rocks. Watch out for mountain bikers!

2 months ago

beautiful, but there are a lot of bikes to watch out for

3 months ago

3 months ago

Beautiful hike in the Sweetwater Preserve.

4 months ago

Tuesday, March 08, 2016