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Santa Rosa Plateau Boundary

Easy/Intermediate
 4.7 (3) RECOMMENDED ROUTE

This run follows the outer trails of the Santa Rosa Plateau with a stop at the Adobes before returning.


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Map Key

7.8

Miles

12.6

KM

96%

Runnable

1,968' 600 m

High

1,601' 488 m

Low

649' 198 m

Up

650' 198 m

Down

3%

Avg Grade (2°)

18%

Max Grade (10°)

Dogs No Dogs

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

Open sunup to sundown. No dogs allowed except on the multi-use trails on the other side of the highway, along with horseback riding and mountain biking. Again, that is on the other side of Clinton Keith Rd. not on the side that this run follows.

Overview

This run covers a large portion of the Santa Rosa Ecological Preserve. Tenajas, an old Adobe home, wildlife, along with wildflowers can all be found on this loop.

Description

Begin at the visitor center and continue along Waterline Rd. At 0.2 miles, you'll come to a junction where you'll take the Granite Loop Trail to the left. A short distance later, a right will have you following the Vista Grande Trail. When you cross the footbridge, pay attention because this area holds one of the few spots to find Tenajas along this route.

Once past the bridge, there is a seating area off to the right before heading up the wooden steps cut into the slope. After 0.9 miles, pass Waterline Road, and head up the hill for 0.7 miles until you reach the end of the Vista Grande Trail at Monument Hill Rd. Turn left and follow the road for 0.2 miles to the Punta Mesa Trailhead at the bottom of the road.

Turn right and follow this trail along the outer boundary of the Santa Rosa Plateau for 1.9 miles. This section is shaded and offers a bit of comfort after the 3 miles you just did. You'll come to a small ascent which takes you to the Adobe Loop Trail to the right. Follow this leg down through another shaded area for 0.6 miles where again you'll find another set of Tenajas along the run. Poison Oak is abundant in this area so use caution.

When you come out of the trees, turn left at the junction and head 0.6 miles over to the Adobe home. This is a great place to stop for a rest and lunch if you planned for it, or just a quick bite, or a rest. Head back the direction you came on the Lomas Trail up to the Monument Hill Rd. junction.

Turn right and follow this for 0.2 miles until you come to the Lomas Trail junction once again on the left. Head down the trail for 0.6 miles until you come to Tenaja Truck Trail. Turn right. This is a road that is virtually flat over 0.9 miles offering a bit of a easier section towards the end of your run. When you come to the Waterline Rd, turn left and follow this for 1 mile until you come back to the visitor center parking lot.

Flora & Fauna

Consisting of 9000 acres, the Reserve protects unique ecosystems such as Engelmann oak woodlands, riparian wetlands, coastal sage scrub, chaparral, bunchgrass prairie, and vernal pools as well as more than 200 species of native birds and 49 endangered, threatened or rare animal and plant species, including mule deer, mountain lions, badgers, bobcats, western pond turtles, white-tailed kites and fairy shrimp. Of the two species of fairy shrimp that live in the seasonal vernal pools on the Reserve, one is found only here and nowhere else on Earth!

Contacts

Land Manager: Riverside County Parks

Shared By:

Jacob Collins

Trail Ratings

  4.7 from 3 votes

#2184

Overall
  4.7 from 3 votes
5 Star
67%
4 Star
33%
3 Star
0%
2 Star
0%
1 Star
0%
Recommended Route Rankings

#286

in California

#2,184

Overall
56 Views Last Month
2,563 Since May 18, 2017
Easy/Intermediate

33%
0%
67%
0%
0%
0%

Photos

The entrance to the Moreno adobe from the trailhead. One of the many picnic tables can be seen in the background.
Jan 31, 2019 near Murrieta, CA
Enjoy a pleasant, pastoral view looking east toward Mt. San Jacinto from the Vista Grande Trail.
May 17, 2017 near Murrieta, CA
A footbridge aids your crossing near the Tenajas.
May 17, 2017 near Murrieta, CA
The Santa Rosa Plateau Adobe is worth checking out while in the ecological reserve.
May 18, 2017 near Murrieta, CA

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Bad / Closed 17 days ago See History
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Mar 31, 2019
Shumin Guo
7.3mi — 2h 32m