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San Bernardino County

Upland

Rubel Castle – Little Dalton Debris Basin loop from Upland

San Bernardino County

Upland

Rubel Castle – Little Dalton Debris Basin loop from Upland

Expert

riders

Rubel Castle – Little Dalton Debris Basin loop from Upland

07:09

126km

2,360m

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

Last updated: August 19, 2025

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Waypoints

Start point

Train Station

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24.6 km

Rubel Castle

Rubel Castle in Glendora, California, is a unique building that was built by Michael Clarke Rubel. Constructed with recycled materials, including stones from local quarries and discarded items, the castle showcases unique architecture.

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37.4 km

San Gabriel Canyon Road Scenic View

The San Gabriel Canyon or otherwise known as Azusa Canyon road is a smooth paved road that winds through this historical canyon offering picturesque scenery of both the Morris and …

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47.0 km

San Gabriel Reservoir

San Gabriel Reservoir is a good place to end your route across the mountains, with dramatic views and wide open space. The road curves above the reservoir, making it a …

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61.1 km

End of San Gabriel River Bike Path

This marks the end of the San Gabriel River Bike Path but you now have the option to extend your ride. If you wish you can head simply head back …

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71.8 km

Wooden Bridge in Big Dalton Canyon Wilderness Park

Big Dalton Canyon Wilderness Park plays host to many trails, reservoirs, and recreation areas. The Big Dalton Canyon Road is a popular road for biking, though the pavement does eventually deteriorate.

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72.3 km

Little Dalton Debris Basin

Little Dalton Debris Basin is a small, man-made collecting pond in Big Dalton Canyon Wilderness Park. It is just off Big Dalton Canyon Road and Glendora Mountain road, which are both popular, challenging roads for biking.

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82.2 km

View of Morris Reservoir from Newman Point

Newman Point is an awesome overlook area with a large parking lot off the side of Glendora Mountain Road. The overlook peers down at Morris Reservoir and West Covina off in the distance.

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106 km

Mount Baldy Village

Mount Baldy Village & ski resort towers above the San Gabriel Valley & Los Angeles suburbs and is a lovely alpine community with a wonderful restaurant and a pub. It's …

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126 km

End point

Train Station

Way Types & Surfaces

Way Types

101 km

22.4 km

1.99 km

461 m

318 m

< 100 m

Surfaces

89.3 km

36.4 km

260 m

< 100 m

Elevation

Highest point (1,400 m)

Lowest point (210 m)

Weather

Today

Friday 17 October

27°C

14°C

0 %

If you start your activity now...

Max wind speed: 3.0 km/h

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

Rubel Castle – Little Dalton Debris Basin loop from Upland

Rubel Castle

San Gabriel Canyon Road Scenic View

San Gabriel Reservoir

End of San Gabriel River Bike Path

Wooden Bridge in Big Dalton Canyon Wilderness Park

Little Dalton Debris Basin

View of Morris Reservoir from Newman Point

Mount Baldy Village

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