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San Bernardino County

Montclair

Glendora Ridge Road – Little Dalton Debris Basin loop from Montclair

San Bernardino County

Montclair

Glendora Ridge Road – Little Dalton Debris Basin loop from Montclair

Hard

4.7

(2087)

5,775

riders

Glendora Ridge Road – Little Dalton Debris Basin loop from Montclair

04:37

73.6km

1,660m

Road cycling

Hard 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: June 14, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Angeles National Forest

Waypoints

Start point

Train Station

Get Directions

1.04 km

Upland Basin

Highlight • Structure

If you’re riding the Pacific Electric Trail, you’ll pass by Upland Basin, part of the Waterwise Community Center and Chino Basin Water Conservation District. It’s a water reservoir that helps …

Tip by

6.45 km

Mt Baldy Climb

Highlight (Segment) • Climb

The climb up Mount Baldy is a serious challenge, starting with a moderate grade that quickly intensifies as you ascend. As you pass through the village, the road narrows and …

Tip by

19.7 km

Mount Baldy Village

Highlight • Settlement

Mt Baldy village has a cool outdoor history museum, trailheads into the hills, and a great beer garden 🍻 on the return

Tip by

21.7 km

Glendora Mountain or Glendora Ridge Road is a very scenic mountain road located on the boundary of San Bernardino and Los Angeles counties. It is a great road ride with views and hills that will take your breath away.

Tip by

43.6 km

View of Morris Reservoir from Newman Point

Highlight • Viewpoint

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.

Tip by

53.4 km

Little Dalton Debris Basin

Highlight • Structure

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.

Tip by

54.0 km

Wooden Bridge in Big Dalton Canyon Wilderness Park

Highlight • Bridge

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.

Tip by

73.6 km

End point

Train Station

Way Types & Surfaces

Way Types

54.0 km

14.9 km

4.12 km

672 m

Surfaces

37.3 km

36.2 km

228 m

Elevation

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

Highest point (1,400 m)

Lowest point (260 m)

Weather

Today

Saturday 27 June

26°C

15°C

0 %

Additional weather tips

Max wind speed: 22.0 km/h

to get more detailed weather forecasts along your route

Comments

May 18, 2022,Mt Baldy GMR-GRR starting at Big Dalton Canyon Wilderness Park

What a beautiful ride! Only saw 3 cars and a few bikes. Elevation really isn't as bad as it may sound, but you should have some climbing legs. Advice: end at Baldy Village. The few miles to the ski lift are brutal and there's no payoff for the effort.

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Glendora Ridge Road – Little Dalton Debris Basin loop from Montclair

Upland Basin

Mt Baldy Climb

Mount Baldy Village