Pentachaeta and Westlake Vista Trail Loop
Pentachaeta and Westlake Vista Trail Loop
2.8
(26)
34
runners
Pentachaeta and Westlake Vista Trail Loop
00:56
6.69km
230m
Running
Embark on a moderate jogging adventure along the Pentachaeta and Westlake Vista Trail Loop, a 4.2-mile (6.7 km) route that offers a good workout. You will gain 767 feet (234 metres) in elevation, with most people completing the loop in about 56 minutes. As you jog, you'll pass through varied terrain, including peaceful oak woodlands, open native grasslands, and vibrant wildflower meadows, providing a dynamic and engaging experience.
When planning your visit, remember that the trail is dog-friendly, but your canine companion must remain on a leash at all times. Be mindful of potential hazards like rattlesnakes, which can sometimes be found sunning themselves on the path, and poison oak, easily identified by its distinctive three-leaf clusters. For your safety and to protect the natural environment, always stay on the established paths.
The Westlake Vista Trail section provides expansive views towards Westlake Lake and the distant Santa Monica Mountains, making it a highlight of the route. The trail is also notable for its abundant wildflowers, especially in spring, from April to June, when you might spot the endangered Pentachaeta lyonii, which lends the trail its name. Keep an eye out for local wildlife as you enjoy the natural beauty of this area.
Last updated: April 23, 2026
Waypoints
Start point
Parking
Get Directions
237 m
Pentachaeta Trailhead
Highlight • Trail
Tip by
1.54 km
Triunfo Creek Park
Highlight • Forest
Tip by
5.70 km
Las Virgenes Reservoir
Highlight • Lake
Tip by
6.69 km
End point
Parking
Way Types & Surfaces
Way Types
6.39 km
266 m
< 100 m
Surfaces
6.34 km
117 m
107 m
< 100 m
< 100 m
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Elevation
Highest point (430 m)
Lowest point (260 m)
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Weather
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Today
Wednesday 6 May
22°C
7°C
0 %
Additional weather tips
Max wind speed: 12.0 km/h
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This route was planned by komoot.
Frequently Asked Questions
How long does it take to jog this loop?
The Pentachaeta and Westlake Vista Trail Loop is approximately 6.7 kilometers (4.15 miles) long. For jogging, it typically takes around 55-60 minutes to complete, depending on your pace and how often you stop to enjoy the views.
What is the terrain like on the trail?
The terrain is varied and offers a good challenge for joggers. You'll encounter a mix of surfaces as it passes through oak woodland, native grasslands, and wildflower meadows. Expect significant inclines, as the route includes a substantial elevation gain, climbing along a north-facing slope overlooking Potrero Valley Creek and Westlake Village.
Is the Pentachaeta and Westlake Vista Trail Loop suitable for beginners?
This loop is generally rated as 'moderate' difficulty for jogging due to its length and significant elevation gain. While rewarding, the inclines can be challenging, so it might be a strenuous option for absolute beginner joggers. There are shorter, easier loops in Triunfo Creek Park if you're looking for a less demanding experience.
Where can I park to access the trailhead?
You can typically find parking near the Pentachaeta Trailhead, which is the starting point for this loop. Specific parking details might vary, so it's always a good idea to check local signage upon arrival.
Are dogs allowed on the trail?
Yes, the trail is dog-friendly! However, please ensure your dog remains on a leash at all times to protect wildlife and for the safety of other trail users.
What is the best time of year to visit?
Spring, particularly between April and June, is highly recommended. During this time, the trail is known for its abundant wildflower displays, including the rare Pentachaeta lyonii, which gives the trail its name. The weather is also generally pleasant for jogging.
What kind of scenery and viewpoints can I expect?
You'll enjoy picturesque scenery throughout the loop. The Westlake Vista Trail section offers beautiful views towards Westlake Lake and the Santa Monica Mountains. You'll also get glimpses of the Las Virgenes Reservoir and pass through diverse landscapes of oak woodland and native grasslands.
What notable plants or wildlife might I see?
Keep an eye out for the federally listed endangered flower, Pentachaeta lyonii, which blooms in spring. Other unusual wildflowers like the Chocolate Lily and White Globe Lily can also be found. As for wildlife, you might spot various birds and small mammals. Be aware that rattlesnakes occasionally sun themselves on the trail, and poison oak is present, so stay on established paths.
Does this route intersect with other trails?
Yes, this loop incorporates sections of several official trails. You will jog along parts of the Unmaintained Social Trail, the Pentachaeta Trail, and the Westlake Vista Trail.
Are there any fees or permits required to access Triunfo Creek Park?
The trail is located within Triunfo Creek Park, which is owned and maintained by the Santa Monica Mountains Conservancy. Generally, there are no entrance fees or permits required for day use of the park's trails. However, it's always wise to check the latest regulations on the Santa Monica Mountains Conservancy website before your visit.
What should I bring for a jog on this trail?
Given the varied terrain and potential hazards, it's recommended to bring plenty of water, wear appropriate jogging shoes with good grip, and consider long pants or socks to protect against poison oak. Sun protection is also advisable, and a phone for emergencies is always a good idea.