Aliso Creek Trail and Pecten Loop Trail
Aliso Creek Trail and Pecten Loop Trail
3.0
(11)
54
hikers
01:20
5.02km
50m
Hiking
Hike the easy 3.1-mile Aliso Creek Trail and Pecten Loop Trail in Orange County, featuring marine fossils and diverse scenery.
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Parking
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777 m
Highlight (Segment) • Cycleway
Tip by
5.02 km
End point
Parking
Way Types & Surfaces
Way Types
3.88 km
1.13 km
Surfaces
2.17 km
1.36 km
1.13 km
218 m
126 m
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Elevation
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Today
Saturday 23 May
21°C
15°C
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Additional weather tips
Max wind speed: 18.0 km/h
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This route was planned by komoot.
Parking is generally available at various access points along the Aliso Creek Trail, which then leads to the Pecten Loop Trail. Specific trailhead directions will depend on your starting point, but the Pecten Loop is often accessed via the Aliso Creek Trail within the Aliso and Wood Canyons Wilderness Park.
Both the Aliso Creek Trail and the Pecten Loop Trail are considered easy. The Aliso Creek Trail features a gradual incline and consists of both paved sections and a compacted soil path. The Pecten Loop is primarily a single-track dirt trail with minimal elevation gain (around 55 feet), making it suitable for all fitness levels. Be aware that the Aliso Creek Trail is multi-use and shared with cyclists and equestrians.
Along the Aliso Creek Trail, you'll find mature oaks, sycamores, and elderberry trees, with two year-round streams. The Pecten Loop Trail is particularly notable for its geological history; hikers can discover marine fossils, especially scallop shells, embedded in rocks at the top of the hill. Birdwatching is also possible, with sightings like kestrels reported.
Yes, the trails within Aliso and Wood Canyons Wilderness Park, including this route, are generally dog-friendly. However, always ensure your dog is on a leash and that you clean up after them to preserve the natural environment for everyone.
The trails are accessible year-round. However, it's advisable to check conditions, especially after rain, as trails within the Aliso and Wood Canyons Wilderness Park may close for several days due to wet conditions. Spring and fall offer pleasant temperatures for hiking.
No, there are typically no permits or entrance fees required to access the Aliso Creek Trail or the Pecten Loop Trail within the Aliso and Wood Canyons Wilderness Park.
The komoot route for the Aliso Creek Trail and Pecten Loop Trail is approximately 5 kilometers (3.1 miles) long and typically takes around 1 hour and 20 minutes to complete. The Pecten Loop itself is about 1.3 miles and takes roughly an hour.
Yes, this route utilizes significant portions of the Aliso Creek Bikeway and the Pecten Loop Trail. It also passes through sections of the Aliso Creek Hiking and Riding Trail and the Aliso Creek Trail.
The Aliso Creek Trail is a multi-use path shared with cyclists and equestrians. You should be mindful of fast-moving high school athletes who sometimes use it for track practice. Always be aware of your surroundings and yield to others.
A significant highlight along this route is the Aliso Creek Bikeway — Pectin Reef section, which is where you can discover the notable marine fossils, particularly scallop shells, embedded in the rocks.
Absolutely! The Pecten Loop Trail is specifically characterized as an easy, short hike, making it very suitable for families with children or those new to hiking. The minimal elevation gain and well-defined paths contribute to its accessibility.