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Hiking trails & Routes
United States
California
San Mateo County

Cowell-Purisima Trail

Moderate

2.9

(5)

81

hikers

Cowell-Purisima Trail

02:34

9.81km

70m

Hiking

Hike the moderate 6.1-mile Cowell-Purisima Trail for ocean views, farmland vistas, and wildlife spotting near Half Moon Bay.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Monterey Bay National Marine Sanctuary

Waypoints

A

Start point

Parking

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1

4.91 km

Half Moon Bay State Beach

Highlight • Beach

The paved road dead-ends on a cliff overlooking the Harbor Seal Preserve and the long spectacular sandy Cowell Ranch Beach (southern part of Half Moon Bay Beach State Park), accessible …

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B

9.81 km

End point

Parking

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Way Types & Surfaces

Way Types

9.80 km

Surfaces

9.80 km

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Elevation

Elevation

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Weather

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Thursday 16 July

16°C

11°C

0 %

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Frequently Asked Questions

How long does it take to hike the Cowell-Purisima Trail?

The Cowell-Purisima Trail is approximately 3.6 miles (5.8 km) one way, making it about 7.2 miles (11.6 km) for a round trip. Most hikers complete the one-way journey in about 2.5 hours, so a round trip would typically take around 5 hours, depending on your pace and how often you stop to enjoy the views.

What is the difficulty and terrain like on this trail?

Much of the trail is considered easy, featuring a mostly gentle grade and a compacted granite surface, which is suitable for many visitors. However, there is a section in the middle, around Purisima Creek, that includes some steeper terrain and switchbacks. This part is the most challenging and may not be suitable for all users, including those with wheelchairs or strollers. The total elevation gain for a round trip is about 200 feet (60 meters).

Is the Cowell-Purisima Trail dog-friendly?

Yes, dogs are generally allowed on the Cowell-Purisima Trail. However, they must be kept on a leash at all times to protect wildlife and ensure the safety and enjoyment of all trail users. Please remember to clean up after your pet.

What is the best time of year to visit the Cowell-Purisima Trail?

The trail offers beautiful scenery year-round. Spring (March-May) is excellent for wildflowers and observing harbor seal pupping season. Late fall to early spring is ideal for spotting migrating gray whales. The trail is generally less crowded than other coastal areas, offering a tranquil experience any time of year, but always be prepared for coastal weather changes.

Are there any permits or entrance fees required for the trail?

No, there are no permits or entrance fees required to access the Cowell-Purisima Trail, as it is part of the San Mateo County Parks system. Parking is also typically free at the trailheads.

What kind of wildlife can I see along the route?

The trail is a fantastic spot for wildlife observation. You can frequently see harbor seals lounging on protected beaches, especially during their pupping season in March and April. Various bird species, including gulls, brown pelicans, and hawks, are common. Migrating gray whales can be spotted in late fall to early winter and early spring. Wildflowers add to the beauty in the spring.

What are the main points of interest or views along the trail?

Hikers are treated to a unique blend of ocean views and active farmland vistas, with crops like artichokes and Brussels sprouts. Elevated rocky cliffs and protected beaches are visible for miles. A notable highlight along the route is Half Moon Bay State Beach. There is also one beach access point at Cowell Ranch Beach, reached via a stairway about half a mile from the northern parking lot.

Where can I park to access the Cowell-Purisima Trail?

There are parking areas available at both the northern and southern ends of the trail. The northern parking lot is located near the Half Moon Bay side, and the southern lot is closer to Purisima Creek. Parking is free at these trailheads.

Is the trail suitable for strollers or wheelchairs?

A significant portion of the trail, particularly the northern and southern sections, features a compacted granite surface and a gentle grade, making it accessible for many strollers and wheelchairs. However, a section in the middle around Purisima Creek includes steeper terrain and switchbacks, which may not be suitable for all users with mobility devices.

Does the Cowell-Purisima Trail connect to other paths?

Yes, the Cowell-Purisima Trail is a segment of the ambitious California Coastal Trail project, which aims to span the entire length of the state's coastline. While it primarily follows its own designated path, it is part of this larger network of coastal trails.

What makes this trail unique compared to other coastal trails?

This trail stands out for its unique blend of active agricultural fields on one side and dramatic Pacific Ocean views on the other. It also offers a chance to see diverse ecosystems, significant wildlife (like harbor seals and migrating whales), and historical sites, all while generally being less crowded than some other popular coastal paths. Its mostly accessible surface also makes a large portion of it unique among more rugged coastal routes.

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