Routes

Planner

Features

Updates

App

Get the App

Routes

Mountain biking trails

Devil's Slide – Ace Trail loop from San Bruno

Routes

Mountain biking trails

Devil's Slide – Ace Trail loop from San Bruno

Hard

4.7

(2068)

5,621

riders

Devil's Slide – Ace Trail loop from San Bruno

03:56

45.5km

1,120m

Mountain biking

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: May 27, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 21.0 km for 219 m

Waypoints

Start point

Train Station

Get Directions

7.67 km

Portolá Discovery Site Monument

Highlight • Monument

This is the spot from which participants of the Portola Expedition saw the San Francisco Bay for the very first time. It's essentially the spot at which the existence of …

Tip by

10.3 km

Lookout

Viewpoint

17.7 km

Pacifica Vista on Old San Pedro Mountain Road

Highlight • Viewpoint

From this spot on Old San Pedro Mountain Road, you get truly stunning, panoramic views of the Pacific Ocean and surrounding foothills and grasslands. This is a great spot to …

Tip by

20.2 km

Old San Pedro Mountain Road summit

Highlight • Summit

This isn't the sort of road you'd take a vehicle on, nowadays - but it's great for nontechnical mountain biking, and this high point gives you nice views over the surrounding hills.

Tip by

21.2 km

Farallone View

Viewpoint

25.9 km

Southern Devil's Slide Trailhead gate and overlook

Highlight • Trail

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

Tip by

27.0 km

Devil's Slide

Highlight • Cycleway

While the whole section of the bike trail, now closed to car traffic since the 2013 opening of the tunnel, clings precariously to the cliffside, the worst of the actual …

Tip by

28.8 km

Ace Trail

Highlight (Segment) • Trail

Best way to bypass the dangerous and shoulderless Cabrillo Highway 1. A better paved trail is planned and might be available by 2024.

Tip by

37.8 km

Milagra Ridge Road trailhead

Highlight • Trail

A barrier prevents cars from entering, but the first mile of this road continues with excellent pavement to the summit. A gravel trail then drops down to the coast to Connemara Drive and Oceana Blvd

Tip by

45.5 km

End point

Train Station

Way Types & Surfaces

Way Types

19.0 km

12.0 km

5.85 km

4.09 km

3.82 km

719 m

< 100 m

Surfaces

24.2 km

9.87 km

5.67 km

4.95 km

869 m

Elevation

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

Highest point (360 m)

Lowest point (0 m)

Weather

Today

Tuesday 2 June

17°C

11°C

0 %

Additional weather tips

Max wind speed: 32.0 km/h

to get more detailed weather forecasts along your route

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

Navigate

Send to Phone

Save

Edit route

Download GPX

Move start point

Embed on a website

Report an Issue

Nearby routes

Easy

Salson, Slip, Headbangers Ball, and Amphitheater Loop

00:41h

5.68km

190m

Hard

5.0

143

Skeggs loop

04:04h

36.3km

1,150m

Easy

4.9

117

Waterdog Lake Park Loop

01:18h

12.6km

300m

Easy

4.5

San Pedro Mountain to Old Colma Road Loop

01:11h

11.1km

290m

Easy

4.0

Joaquin Miller Park: Big Trees and Cinderella Loop

01:15h

12.3km

300m

Moderate

4.8

Redtail and Brandon Skyline Trails loop

03:18h

34.4km

800m

Moderate

4.0

El Corte de Madera Creek Loop

01:55h

18.3km

460m

Moderate

5.0

Miwok, Coastal, and Dias Ridge Loop

01:59h

17.6km

570m

Hard

5.0

Tennessee Valley/Muir Beach loop

03:26h

32.4km

970m

Moderate

Marincello, Bobcat, Miwok and Old Springs Loop

01:20h

11.5km

400m

Moderate

3.0

Sequoia-Bayview and Sinawik Trail Loop

00:51h

7.96km

250m

Moderate

5.0

Sequoia Bayview Trail loop — Joaquin Miller Park

00:36h

6.32km

130m

Devil's Slide – Ace Trail loop from San Bruno

Portolá Discovery Site Monument

Pacifica Vista on Old San Pedro Mountain Road

Old San Pedro Mountain Road summit

Southern Devil's Slide Trailhead gate and overlook

Devil's Slide

Ace Trail

Milagra Ridge Road trailhead

Nearby routes

Sign up or log in to keep exploring this route

We value your privacy ⛰️

We value your privacy ⛰️