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Routes
Road cycling routes
United States
California
San Mateo County
Half Moon Bay

Gray Whale Cove State Beach – Egg Rock — Devil's Slide loop from Half Moon Bay State Beach

Routes
Road cycling routes
United States
California
San Mateo County
Half Moon Bay

Gray Whale Cove State Beach – Egg Rock — Devil's Slide loop from Half Moon Bay State Beach

Moderate

4.8

(6013)

7,942

riders

Gray Whale Cove State Beach – Egg Rock — Devil's Slide loop from Half Moon Bay State Beach

01:50

35.1km

320m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: April 8, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Half Moon Bay State Beach

Waypoints

A

Start point

Bus stop

Get Directions

1

13.2 km

Montara Beach Overlook

Highlight • Viewpoint

High above the coast the view opens up to the south down the long, wild sandy beach

Tip by

2

14.0 km

Gray Whale Cove State Beach

Highlight • Beach

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

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3

15.5 km

Egg Rock — Devil's Slide

Highlight • Natural Monument

Egg Rock is an example of a successful environmental restoration: Once home to a bird colony of thousands of Common Murres, the colony was wiped out by a 1986 catastrophic …

Tip by

4

16.1 km

Devil's Slide Coastal Overlook

Highlight • Viewpoint

The instable cliffs keep sliding into the Pacific, causing constant repairs along the road. Now again peaceful with overlooks and birdwatching since the road became a car-free trail.

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5

17.0 km

The precarious always sliding former coastal road is now a beautiful bike trail, while the main Highway 1 is now going through the tunnel

Tip by

6

17.1 km

Devil's Slide bikeway (old Hwy 1)

Highlight (Segment) • Cycleway

One of the World's iconic roads, in 2014 the frequently landslide-damaged Highway 1 received a tunnel to avoid the particularly dangerous cliffs at Devil's Slide south of Pacifica. The original …

Tip by

7

19.3 km

At the southern opening of the 2013 Tom Lantos tunnels the old road is now a bike trail.

Tip by

8

19.7 km

Devil's Slide Bunker

Highlight • Monument

The remains of this observation bunker built during World War II look as though it is ready to fall into the sea. This crumbling structure has amazing views and is …

Tip by

B

35.1 km

End point

Bus stop

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Way Types & Surfaces

Way Types

27.5 km

4.51 km

1.96 km

1.01 km

104 m

Surfaces

28.4 km

5.67 km

932 m

162 m

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Elevation

Elevation

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

Highest point (140 m)

Lowest point (0 m)

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Weather

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Wednesday 20 May

16°C

6°C

-- %

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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