Arizona Trailblazers Hiking Club
Garwood-Carillo Loop Day Hike
when Trip Report : February 21, 1998
where Saguaro National Park, Tucson
the hike     Starting at the shelter, we will proceed to the first junction and turn right on the Garwood Trail. To the west notice the Tucson Mountains: their high point, Wasson Peak dominates the park’s west unit. At Bajada Vista Trail, be careful to stay on Garwood Trail (bear right, pass Wildhorse Trail, then bear left).
    Just after climbing onto a rocky ridge, turn left on Carrillo Trail. A cement truck once drove up this road! Find the concrete and stone foundation near the top of this hill which once held a generator. On the slope below, Tucson businessman L. Nelson Garwood built a “get-away” ranch in the mid-1950s. The dam provided a reliable water supply.
    Passing the dam on your right, bear left and up into the Rincon foothills. Fences along the way are reminders of cattle grazing that continued legally in the park until 1979. Transfer of the over-grazed allotments to the Park Service led to wilderness designation and restoration of natural processes.
    At Wildhorse Trail turn right, then immediately left uphill. (Here we cold take a side trail through the gate leads 1/3 mile to a natural water tank.) Continuing on, we will see a steel stock tank at Rock Spring. Goldfish were stocked by cowboys to discourage algae, prior to Park Service management. We will continue up a wash to the Carrillo Trail going up and out of the wash.
    Notice vegetation changes along this ridge: mesquite stands, grassy groves, resurrection moss on bare rock, and cottonwood trees where water nears the surface. At the top of the ridge consider the 100 square mile expanse of the Park: the vast cactus forest below and the towering Rincon Mountains above. We will descend into another wash and join up with the Douglas Spring Trail, which will bring us down to the trailhead.
distance 5.82 miles
time 4-5 hours
EC +-740' elevation change
elevations 2743' (Douglas Spring Trailhead) to 3481' (northeast of Water Tank)
type loop
starting at
Douglas Spring Trailhead 32° 14.120' N,  110° 41.220' W
on trail 100% — Garwood, Carillo, and Douglas Spring Trails
rating "C"     Rate yourself as a hiker.
dogs allowed no
cost Sharing gas expenses with the driver.
The club also allows voluntary contributions of $5 per non-member.
weather Tucson
meet 6:00 AM in the parking lot south of Einstein Bros. Bagels on the SE corner of 48th Street & Ray Road, west of I-10. For those leaving their cars behind, please park up against the west curb of the parking lot and not in the Einstein’s common parking area.
•  Take I-10 south to Tucson.
Exit I-10 at Speedway Blvd.
Go east on Speedway to the end of the road, which is the trailhead.
Park at the Douglas Spring Trailhead.

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