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Routes
Hiking trails & Routes
United States
California
San Mateo County

Gray Whale Cove and Old San Pedro Mountain Loop

Routes
Hiking trails & Routes
United States
California
San Mateo County

Gray Whale Cove and Old San Pedro Mountain Loop

Easy

4.8

(2978)

7,709

hikers

Gray Whale Cove and Old San Pedro Mountain Loop

01:33

4.91km

210m

Hiking

Start your hike with an easy 3.1 miles (4.9 km) loop that offers continuous ocean views as you climb out of Gray Whale Cove. The trail, which gains 682 feet (208 metres) in elevation, soon transitions to Old San Pedro Mountain Road, winding through coastal scrub. You can expect to complete this route in about 1 hour and 32 minutes. As you ascend, you will reach the "Pacific to SF Bay Panorama" viewpoint, where you can enjoy expansive vistas stretching from Point Reyes to San Francisco and down to Half Moon Bay on a clear day. This easy hike provides a rewarding outdoor experience.

Parking for the Gray Whale Cove and Old San Pedro Mountain Loop is generally ample at the Gray Whale Cove trailhead, making it a convenient place to begin your adventure. This trail is a great option for a morning or afternoon outing, especially on a clear day when the views are best. If you plan to bring your dog, remember that the route is dog-friendly, but your canine companion must remain on a leash. Consider starting early to avoid crowds and secure a good parking spot.

This loop is located within McNee Ranch State Park, an area known for its diverse coastal ecosystem. As you hike, keep an eye out for local wildlife; you might spot pelicans soaring overhead or even whales and seals in the ocean below during migration seasons. The trail's elevation gain offers a unique perspective of the coastline, highlighting the dramatic meeting of land and sea that defines this part of California.

Last updated: April 23, 2026

Waypoints

A

Gray Whale Cove State Beach

Highlight • Beach

Great amount of wild flowers and amazing visas of the ocean. Spotted a whale.

Tip by

812 m

Viewpoint

Viewpoint

2

3.14 km

The very straight trail to Martini Farm branches off here in a sharp switchback turn of Old San Pedro Road. The view opens up all the way down to the coast.

Tip by

3

3.59 km

Pacific to SF Bay Panorama

Highlight • Viewpoint

Great panoramic view from Bay to Sea, sadly overlooking San Francisco's biggest prison complex ...

Tip by

B

4.91 km

End point

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Way Types & Surfaces

Way Types

2.58 km

2.24 km

< 100 m

< 100 m

Surfaces

2.56 km

2.21 km

< 100 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Thursday 7 May

13°C

11°C

0 %

Additional weather tips

Max wind speed: 18.0 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 Gray Whale Cove and Old San Pedro Mountain Loop?

While komoot rates this route as 'easy', the trail is generally considered moderate due to some steep sections. The initial climb out of the Gray Whale Cove State Beach parking lot is steep, and the ascent towards Montara Mountain involves significant climbing. Some singletrack sections can also be challenging.

What kind of views can I expect along the route?

This loop offers continuous, incredible ocean views. From the Gray Whale Cove Trail portion, you'll walk above ocean bluffs with expansive coastal vistas. As you ascend, the views become even more spectacular. On a clear day, you can enjoy panoramic views stretching to Point Reyes, Mount Tamalpais, and San Francisco to the north, and Pillar Point and Half Moon Bay to the south. Don't miss the Pacific to SF Bay Panorama highlight.

What is the terrain like on this loop?

The terrain is diverse. It starts with a steep climb, then transitions to the Old San Pedro Mountain Road, which is wide and smooth in parts, winding through coastal scrub and groves. As you gain elevation, you'll find lush, cloud-forest-like coast scrub. The loop also includes steeper singletrack trails, some of which can be rough and ditch-like. Be aware of abundant poison oak, especially on less-groomed secondary trails.

Where is the trailhead and where can I park?

The trail typically starts from the Gray Whale Cove parking lot, which is generally ample. This makes it a convenient starting point for the loop. You can find the trailhead near Gray Whale Cove State Beach.

Is the Gray Whale Cove and Old San Pedro Mountain Loop dog-friendly?

Yes, this trail is dog-friendly! Leashed dogs are welcome to join you on your hike.

Are there any fees or permits required for hiking in McNee Ranch State Park?

As this trail is located within McNee Ranch State Park, there may be day-use fees or parking fees depending on the specific parking area or time of visit. It's always a good idea to check the official California State Parks website for the most current information on fees and regulations before your visit.

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

Spring is excellent for wildflowers and often offers clear views. However, the continuous ocean views are spectacular year-round. Clear days provide the best panoramic vistas, so checking the weather forecast for fog is advisable, especially during summer mornings.

What wildlife might I see along the trail?

Given its coastal location, you might spot pelicans, whales (especially during migration seasons), and seals in the ocean. The diverse coastal scrub and forest areas also host various bird species and small mammals.

Does the trail connect with other paths?

Yes, the route primarily follows sections of the Old San Pedro Mountain Road and the Gray Whale Cove Trail. It also passes through portions of the Upper Fly Amanita and Lower Fly Amanita trails.

Is there an insider tip for hiking this loop?

For a more scenic experience that offers continuous breathtaking ocean views and a 'sea-to-summit' feel, this loop is an excellent choice. Starting at the Gray Whale Cove trailhead provides ample parking and a direct ascent into the varied terrain and stunning vistas.

Is the trail suitable for families with children?

While the initial Gray Whale Cove Trail segment is relatively easy, the overall loop includes steep climbs and some rough singletrack sections. Families with younger children or those new to hiking might find parts of the loop challenging. Consider the 'moderate' difficulty rating when planning with children.

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