Sunol Aqueduct, Niles Canyon – Niles Canyon Railway loop from Vargas Plateau Regional Park

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Bike touring routes & trails

Sunol Aqueduct, Niles Canyon – Niles Canyon Railway loop from Vargas Plateau Regional Park

Moderate

3.1

(9)

riders

Sunol Aqueduct, Niles Canyon – Niles Canyon Railway loop from Vargas Plateau Regional Park

01:59

30.6km

390m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 19, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Vargas Plateau Regional Park

Waypoints

Start point

Parking

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4.74 km

Alameda Creek Trail - Niles Junction

Highlight • Trail

Paved bike trails on both sides of the river

Tip by

8.54 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.

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9.82 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 …

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12.6 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 …

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15.4 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.

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18.9 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 …

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24.6 km