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Routes
Hiking trails & Routes
United States
California
San Mateo County

Slate Creek, Summit, and Old Tree Loop

Easy

4.8

(1204)

10,125

hikers

Slate Creek, Summit, and Old Tree Loop

01:49

5.72km

240m

Hiking

Hike the easy 3.6-mile Slate Creek, Summit, and Old Tree Loop through redwood forests to a 1,200-year-old tree in Portola Redwoods State Par

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Portola Redwoods State Park

Waypoints

A

Start point

Parking

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1

838 m

1200 Jahre alter Mammutbaum

Highlight • Natural Monument

This ancient Redwood tree stands tall in this grove, along with other beautiful Redwoods, hallowed Redwoods and downed Redwoods, truly a hidden gem.

Tip by

2

2.02 km

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

Tip by

B

5.72 km

End point

Parking

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Way Types & Surfaces

Way Types

4.66 km

1.06 km

Surfaces

4.66 km

616 m

441 m

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Elevation

Elevation

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Weather

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Today

Monday 25 May

17°C

9°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How challenging is the Slate Creek, Summit, and Old Tree Loop?

Komoot rates this loop as 'easy'. However, it does involve some elevation gains, particularly on the Slate Creek and Summit Trail sections. The Old Tree Trail portion is generally considered easy and kid-friendly. Overall, it's a manageable hike for most, but be prepared for some uphill sections.

What kind of scenery and terrain can I expect on the hike?

You'll be immersed in a beautiful redwood forest, primarily second-growth, with lush vegetation and a quiet atmosphere. The Slate Creek Trail section, in particular, winds through a verdant creek valley with a plush carpet of redwood sorrel. The highlight is undoubtedly the monumental ancient redwood on the Old Tree Trail.

What are the main points of interest along the route?

The primary highlight is the 1200 Jahre alter Mammutbaum (1200-year-old redwood tree) on the Old Tree Trail, a truly ancient specimen. You'll also pass through the serene Eugene and Bolton Memorial Grove and experience the lush creek environment of Slate Creek. Keep an eye out for the historical marker at the Page Mill site.

Where does the trail start and where can I park?

The Slate Creek, Summit, and Old Tree Loop is located within Portola Redwoods State Park. You'll typically start and park at the park's main entrance or designated parking areas. Specific trailhead parking details can be found on the park's official website.

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

Yes, as this trail is located within Portola Redwoods State Park, there is typically an entrance fee per vehicle to access the park. You can find current fee information and any specific permit requirements on the official California State Parks website: ca.gov.

Is the Slate Creek, Summit, and Old Tree Loop dog-friendly?

No, dogs are generally not allowed on trails in Portola Redwoods State Park, including the Slate Creek, Summit, and Old Tree Loop. This is a common regulation in many California State Parks to protect wildlife and natural resources. Always check the latest park rules before visiting.

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

The redwood forest offers shade, making it enjoyable in warmer months. However, the rainy season can make paths muddy and slick, so be prepared for those conditions if hiking in winter or spring. Fall often brings pleasant temperatures and fewer crowds. Always check weather conditions before you go.

What wildlife might I encounter on the trail?

The redwood forest is home to various creatures. You're very likely to spot banana slugs, which are common in this environment. The area is also known for the endangered Marbled Murrelet, a seabird that nests in old-growth redwoods, highlighting the ecological importance of the forest.

Does this loop connect with other trails?

Yes, this loop utilizes sections of several official trails. You'll be hiking along parts of the Slate Creek Trail, Summit Trail, and Old Tree Trail. The route also briefly touches upon the Trail to Tiptoe Falls, Sequoia Nature Trail, and Iverson Trail.

Is the Slate Creek, Summit, and Old Tree Loop suitable for families with children?

Yes, the Old Tree Trail section, which is part of this loop, is specifically noted as an easy, kid-friendly excursion. The overall loop, while having some elevation, is generally manageable for active families. The shaded redwood forest and the impressive ancient tree make it a rewarding experience for all ages.

What should I bring for this hike?

Even though it's rated easy, it's always wise to carry water, especially on longer loops. Wear sturdy hiking shoes suitable for potentially muddy or uneven terrain. Bringing a map or having the komoot app downloaded for offline navigation is also recommended, as trail conditions can change and cell service might be spotty in the redwoods.

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