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Routes
Hiking trails & Routes
United States
California
San Mateo County

Peters Creek Loop

Hard

4.9

(2493)

5,650

hikers

Peters Creek Loop

05:42

19.0km

610m

Hiking

Embark on the Peters Creek Loop, a difficult hike spanning 11.8 miles (19.0 km) with a significant elevation gain of 1987 feet (606 metres). You can expect to spend around 5 hours and 41 minutes exploring this remote redwood forest. The trail offers a deep sense of solitude as it winds through ancient groves, where some trees are estimated to be 1,200 years old. Along sections like the Bear Creek Trail, you will encounter lush greenery, small blue wildflowers, and redwood sorrel, creating a wild and ancient atmosphere.

Before you set out, be aware that the trail can be overgrown with poison oak and thistle, especially after winter rains, so wearing long pants is a good idea. You will also encounter two creek crossings that do not have footbridges, meaning you will need to step carefully on wet stones. Given the steep and potentially slippery sections, particularly when descending into and climbing out of the canyon, sturdy hiking shoes are highly recommended for your safety and comfort. Plan your visit to allow ample daylight for the full duration of the hike.

This route stands out for its unique sense of solitude, guiding you through seldom-seen areas of Portola Redwoods State Park. It provides an opportunity to immerse yourself in a dense redwood forest, home to some of the region's oldest and tallest trees. The trail's remote feel and ancient atmosphere make it a distinctive choice for hikers seeking a challenging and immersive natural experience away from more crowded paths.

Last updated: April 23, 2026

Tips

Your route passes through a protected area

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Waypoints

A

Start point

Parking

Get Directions

426 m

Samuel W. and Edith V. Coombs Grove

Forest

2

1.20 km

Eugene and Bolton Memorial Grove

Highlight • Forest

While hiking the Slate Creek trail explore the Herbert Eugene and Gertrude Janes Bolton Memorial Grove of old grove trees.

Tip by

7.18 km

Viewpoint

Viewpoint

B

19.0 km

End point

Parking

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Way Types & Surfaces

Way Types

18.0 km

630 m

331 m

Surfaces

18.3 km

347 m

286 m

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Elevation

Elevation

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Weather

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Today

Sunday 24 May

19°C

9°C

0 %

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Max wind speed: 10.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the difficulty level of the Peters Creek Loop?

This route is generally considered a strenuous hike. It involves a significant elevation change, with a steep descent into the canyon and an equally steep climb back out, which can be particularly taxing over its full length. It's best suited for experienced hikers.

What kind of terrain will I encounter on the trail?

The trail winds primarily through a dense redwood forest, offering mostly shaded conditions. You'll find varied terrain, including sections that can be overgrown with vegetation like poison oak and thistle, especially after winter rains. Expect to navigate around downed trees and make two creek crossings over Peters Creek without footbridges, requiring careful stepping on wet stones. Some parts are steep and can be slippery.

What makes the Peters Creek Loop a notable hike?

It's often called the 'crown jewel' of Portola Redwoods State Park. Its main draw is the opportunity to experience one of the largest and most pristine old-growth redwood groves in the Bay Area, offering a unique sense of solitude and immersion in a remote, wild environment. You'll get an unusual perspective of the redwoods, often looking out from 50-100 feet above their base.

Where can I park to access the Peters Creek Loop?

Access to the Peters Creek Loop is typically from within Portola Redwoods State Park. Parking is available at the park's main entrance or designated trailheads. Be sure to check park signs for specific parking regulations and trailhead access points.

Are dogs allowed on the Peters Creek Loop trail?

No, dogs are generally not permitted on the hiking trails within Portola Redwoods State Park, including the Peters Creek Loop. They are usually only allowed in developed areas like campgrounds, picnic sites, and paved roads.

What is the best time of year to hike this loop?

The trail can be hiked year-round, but the best time is often during the spring or fall when temperatures are milder and the redwood forest is lush. Winter rains can make creek crossings more challenging and sections of the trail slippery. Summer can be pleasant due to the shade, but always be prepared for varied conditions.

Do I need a permit or is there an entrance fee for Portola Redwoods State Park?

Yes, Portola Redwoods State Park typically charges an entrance fee per vehicle. This fee helps maintain the park facilities and trails. You can find current fee information and any potential permit requirements on the official California State Parks website: ca.gov.

What should I bring for a hike on this trail?

Given its strenuous nature and length, you should bring plenty of water, snacks, and wear sturdy hiking boots with good ankle support. Layers of clothing are advisable due to potential temperature changes between the canyon bottom and higher elevations. Trekking poles can be very helpful for the steep sections and creek crossings.

Does the Peters Creek Loop intersect with other trails?

Yes, the route incorporates sections of several other trails within Portola Redwoods State Park. You will hike along significant portions of the Bear Creek Trail and the Slate Creek Trail, which contribute to the overall loop experience.

Are there any cafes or accommodation options near Portola Redwoods State Park?

Portola Redwoods State Park is quite secluded, so immediate options for cafes, pubs, or extensive accommodation are limited. You'll likely need to drive to nearby towns outside the park for these amenities. It's best to plan for food and drinks before or after your visit.

What kind of wildlife might I see on the Peters Creek Loop?

While specific sightings are never guaranteed, the secluded nature of the trail and its dense forest environment mean you might encounter various forest animals. Keep an eye out for deer, various bird species, and smaller mammals. Remember to observe wildlife from a distance and never feed them.

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