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Bike touring routes & trails

Sunol Aqueduct, Niles Canyon – Niles Canyon Railway loop from Fremont

Bike touring routes & trails

Sunol Aqueduct, Niles Canyon – Niles Canyon Railway loop from Fremont

Moderate

4.9

(1337)

5,981

riders

Sunol Aqueduct, Niles Canyon – Niles Canyon Railway loop from Fremont

01:54

32.5km

160m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 19, 2026

Waypoints

A

Start point

Train Station

1

5.09 km

Alameda Creek Trail - Niles Junction

Highlight • Trail

Paved bike trails on both sides of the river

Tip by

2

5.69 km

Vallejo Mill Historical Park

Highlight • Historical Site

Today a park with picnic area, restrooms, and lawns, hydropower was once the driver of early industrial development at the mouth of Niles canyon.

Tip by

3

8.90 km

Stony Brook Park & Canyon Entrance

Highlight • Canyon

This branch of the old Niles Canyon Railway lines is now a museum line to the historic train depot.

Tip by

4

10.2 km

Sunol Aqueduct, Niles Canyon

Highlight • Structure

The narrow canyon is a strategic link between the bay and the central valley. Besides the road hugging the twists and turns of the river it accommodates the old and …

Tip by

5

12.9 km

Niles Canyon Railway

Highlight • Historical Site

The history of trains in Niles Canyon dates back to the building of the original transcontinental railroad. The first Western Pacific Railroad Company (formed in 1862) started construction in San …

Tip by

6

15.7 km

Sunol Historic Railroad Station

Highlight • Historical Site

Sunol is a nice little town, known for its historic railroad system. You'll find a bar and a café there.

Tip by

7

19.9 km

Brightside — Niles Canyon

Highlight • Canyon

Scenic canyon through the South Bay hills to the Central Valley. Its level topography made it a preferred route for trains and cars, so it can get a bit tight …

Tip by

8

27.2 km

Historic Niles Station Memorial Sculptures

Highlight • Monument

Humorous modern sculptures at the site of the historic Niles train station

Tip by

B

32.5 km

End point

Train Station

Way Types & Surfaces

Way Types

19.9 km

9.93 km

2.04 km

493 m

185 m

< 100 m

Surfaces

31.2 km

1.18 km

123 m

< 100 m

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Elevation

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

Highest point (80 m)

Lowest point (10 m)

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Weather

Powered by Foreca

Today

Wednesday 21 October

19°C

14°C

58 %

Additional weather tips

Max wind speed: 8.0 km/h

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