4.9
(49)
320
hikers
12
hikes
Urban hiking trails in O'Neill Regional Park are located in the foothills of the Santa Ana Mountains, covering approximately 4,500 acres of varied terrain. The park features a landscape composed of wooded canyons, rolling hillsides, and chaparral-covered slopes. Live Oak Canyon is a prominent feature, with seasonal creeks like Trabuco and Hickey Creeks flowing through the area. Paths are often shaded by groves of coast live oak and sycamore trees, while hillsides display native vegetation such as cactus and sagebrush.
ā¦Last updated: May 14, 2026
21
hikers
1.89km
00:29
0m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.0
(1)
2
hikers
8.04km
02:11
110m
110m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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3
hikers
6.57km
01:49
120m
120m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
1
hikers
4.60km
01:25
220m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
6
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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You can find this viewpoint along Line Shacking trail, giving a nice view of the Whiting Ranch Wilderness, its hills and canyons.
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The trail here is easy, flat, packed dirt along the neighborhood creek with ample shade. This is a great local trail and is relatively lightly trafficked. There is no parking at the western trailhead.
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You can check the Orange County bus system on the OCTA website here: https://www.octa.net/getting-around/bus/oc-bus/routes-and-schedules/system-map/. The map of bus lines in southern Orange County can be found on their website here: https://www.octa.net/ebusbook/routePdf/SouthCounty.pdf?n=2023.
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Spot turtles sunbathing and herons fishing along the shore as you walk past the vibrant playground of this peaceful community park in Mission Viejo.
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Enjoy spectacular city and mountain views while exploring Lake Mission Viejo's scenic 3-mile paved trail. Spot local wildlife like herons and turtles along the shimmering waters of Lake Mission Viejo.
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There is a picnic area here with sweeping views south toward the Pacific. There are a number of good popular local connecting trails to explore. The trails to the north lead up by neighborhoods, while the Bell View Trail south of here lends a greater feeling of being out in nature as it descends the ridge.
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Spot turtles sunbathing and herons fishing along the shore as you run past the vibrant playground of this peaceful community park in Mission Viejo.
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O'Neill Regional Park offers a selection of 12 urban hiking trails, catering to various preferences. Most of these routes are considered easy, with a couple of moderate options for those seeking a bit more challenge.
The urban hikes in O'Neill Regional Park traverse a diverse landscape, from shaded canyon floors to rolling hillsides covered in chaparral. You'll find trails winding through groves of coast live oak and sycamore trees, with some areas featuring seasonal creeks like Trabuco and Hickey Creeks. The terrain offers a mix of natural surfaces, providing a pleasant escape close to urban areas.
Yes, O'Neill Regional Park is very accommodating for beginners and casual walkers. Out of the 12 urban hiking trails, 10 are rated as easy. Routes like the Santa Margarita Lake Loop offer a gentle experience, while the Lake Mission Viejo Loop provides a slightly longer, yet still easy, option.
Urban hikes in O'Neill Regional Park offer glimpses of its rich natural beauty. You can enjoy the serene environment of Live Oak Canyon, explore areas near seasonal creeks, and witness diverse vegetation including coast live oaks and sycamores. Higher elevations provide breathtaking views of surrounding canyons, hills, coastal mountain ranges, and even as far as Catalina and Palos Verdes on clear days. The park is also known for spectacular wildflower blooms in the spring.
Yes, O'Neill Regional Park is generally dog-friendly. Dogs are permitted on most trails, provided they are kept on a leash. Always check specific trail signage for any restrictions, but you can typically enjoy urban hikes with your leashed canine companion.
Yes, several urban hiking routes in O'Neill Regional Park are designed as loops, offering a convenient way to explore without retracing your steps. Examples include the Santa Margarita Lake Loop and the Lake Mission Viejo Loop, which are both easy and popular choices for a circular walk.
While hiking in O'Neill Regional Park, you might spot a variety of wildlife. The diverse flora supports native and migratory butterflies and birds, especially during spring wildflower blooms. Although rare, bobcats and mountain lions inhabit the park, and you should be aware of rattlesnakes and poison oak. Keep an eye out for smaller mammals and various bird species that frequent the area.
The park is enjoyable year-round, but spring is particularly beautiful due to spectacular wildflower blooms and the seasonal flow of Trabuco and Hickey Creeks. Fall and winter offer cooler temperatures, which can be more comfortable for hiking. Summers can be warm, so early morning or late afternoon hikes are recommended during those months.
O'Neill Regional Park provides designated parking areas for visitors. Specific parking details can vary depending on your chosen trailhead, but there are generally ample facilities available within or near the park's main entrances. It's advisable to check the park's official website for current parking information and any potential fees.
The urban hiking trails in O'Neill Regional Park are highly rated by the komoot community, with an average score of 4.9 stars from 49 ratings. Reviewers often praise the park's ability to provide a serene wilderness experience close to urban areas, its diverse terrain, and the extensive, varied trail system that caters to all skill levels.
Absolutely. Many of the easy urban trails in O'Neill Regional Park are perfect for families. The relatively flat and well-maintained paths, combined with the natural beauty and opportunities for wildlife spotting, make for an enjoyable outing with children. Routes like the Santa Margarita Lake Loop are great for a family stroll.
While O'Neill Regional Park itself is a natural preserve, its proximity to urban areas means there are various dining options available nearby. You'll find cafes and restaurants in the surrounding communities of Orange County, just a short drive from the park, where you can refuel after your hike.


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