Horseshoe Loop Trail (Irvine Regional Park)

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Spring wildflowers, Irvine Regional Park, Orange County, CA
Looking northwest from the Horseshoe Loop Trail, Irvine Regional Park
Greenery at Irvine Regional Park, Orange County, CA
Oaks and green grass on the Horseshoe Trail, Irvine Regional Park

Horseshoe Loop Trail (Irvine Regional Park)

  • Location: Santa Ana Foothills east of Orange.  From the 55 freeway, take the Chapman Avenue exit and head east for 4.2 miles until you get to Jamboree Road.  Take a left on Jamboree and a right into the park.  From the north, take the Katella Avenue exit from the 55 freeway, head east and drive 4.6 miles to Jamboree and take a left (Katella becomes Villa Park and then Santiago Canyon Road on the way).  Parking is $3 per car on weekdays, $5 on weekends and $7 on holidays.  For access to this hike, park in lot #7.
  • Agency: Irvine Regional Park
  • Distance: 3 miles
  • Elevation gain: 200 feet
  • Difficulty Rating: G
  • Suggested time: 1.5 hours
  • Best season: All year (hot during the summer)
  • USGS topo map: Orange
  • Recommended gear: insect repellent
  • Recommended guidebook: Afoot and Afield: Orange County
  • More information: Park homepage here; Yelp page here; Everytrail report here; trip descriptions (slightly different routes) here, here and here
  • Rating: 5
Irvine Regional Park, Orange County, CA
0:00 – Leaving parking lot #7; note the trail branching off on the right side of the road (click thumbnails to see the full sized versions)

In addition to being Orange County’s oldest public park (1887), Irvine Regional Park is home to the O.C. Zoo, a miniature railroad, several nice picnic areas and for the purposes of this website, a number of hiking trails. The trails loop around the park, heading northwest to Santiago Oaks Regional Park and south to Peters Canyon Regional Park, making for endless possible routes of all lengths. While Irvine isn’t as isolated as Caspers, Whiting Ranch and some of Orange County’s other regional parks, it still offers a nice variety of scenery, a convenient escape from city life. Though it may be hot during the summer, the hills and distances are moderate enough for it to be considered a year-round hiking destination.

Horseshoe Loop Trail, Irvine Regional Park, Orange County, CA
0:04 – Turn left on the Horseshoe Loop Trail (times are approximate)

This post follows the route as described in “Afoot and Afield”, mainly utilizing the park’s popular Horseshoe Loop Trail; also the Toyon Trail and some paved service and access roads. Hikers on a tight time frame should be able to easily knock it off in an hour; those hiking with small kids or dogs (this is one of the few dog-friendly regional parks in O.C.) should allow an hour an a half to follow this route.

Bench at an overlook, Irvine Regional Park, Orange County, CA
0:21 – Overlook on the Horseshoe Loop Trail

From lot #7, head left on the paved road and pick up the trail on the right, heading uphill between two wooden fences. You soon reach a junction with the Horseshoe Loop Trail where you’ll turn left and then almost immediately left again as the Puma Ridge Trail heads uphill. Follow the Horseshoe Trail along a north-facing ridge, enjoying views of the Santa Ana Mountains. In the spring, the grass and wildflowers can be quite attractive and considering that you are only about one hundred feet above the basin of the park, the views are quite wide-ranging.

Irvine Regional Park, Orange County, CA
0:32 – Rejoining the park road; trail follows parallel on the right

More climbing brings you to a vista point (0.8 miles) where you can sit on a bench beneath a pine or under a shade structure. From here, the trail descends to cross a private service road (1.1 miles) and soon after joins the main road, which it parallels for 0.2 miles to the last parking lot. The road, still paved but now closed to the public, heads north and then west, skirting the park’s boundary.

Rooster Rock, Irvine Regional Park, Orange County, CA
0:50 – Rooster Rock

At 1.8 miles, the northern branch of the Horseshoe Trail splits off to the right, heading uphill. Take a short detour to Rooster Rock, a sandstone formation likely named for its outcrops that resemble poultry beaks and combs. A pair of oaks provide nice shade beneath the rock while a few use trails allow the curious to explore the top of the formation, which offers a bird’s eye view of this area of the park.

After visiting Rooster Rock, head back and follow the Horseshoe Trail as it makes its way up a hillside to a junction. The two paths soon merge again, although the right fork climbs higher and offers better views. From here, the trail levels out, contouring along the north side of the park to a junction at 2.3 miles. This is the Toyon Trail, which descends to a shade structure and then follows a wooden staircase back down to the center of the park. Head right on the paved road and follow as it passes a picnic area, the railroad tracks and a small lake before ending at a T-junction. Turn right and follow the main road back to the parking area.

Shade structure at Irvine Regional Park, Orange County, CA
1:05 – Shade structure on the Toyon Trail

Text and photography copyright 2015 by David W. Lockeretz, all rights reserved. Information and opinions provided are kept current to the best of the author’s ability. All readers hike at their own risk, and should be aware of the possible dangers of hiking, walking and other outdoor activities.  By reading this, you agree not to hold the author or publisher of the content on this web site responsible for any injuries or inconveniences that may result from hiking on this trail.  Check the informational links provided for up to date trail condition information.

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