Upper Colby Trail
Glendora · California
1.3 mi
Distance
...
Net Elevation
14 min
Est. Time
Peak Elevation
...
Difficulty
Black Diamond
1.3 mi
Distance
...
Net Elevation
14 min
Est. Time
...
Peak Elevation
Black Diamond
Difficulty
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Weather outlook
ClearNo significant precipitation expected.
Little rain is indicated. Shaded or poorly drained sections may still be wet.
The week looks mostly favorable for riding, with no major moisture signal in the forecast.
Forecast window
Tuesday
a high near 76°F, little expected rain, 0% rain chance
Weather-based estimate. Always check local closures and posted trail conditions before riding.
Forecast data via Open-Meteo. Forecast date: .
About This Trail
Upper Colby Trail is a 1.3-mile mountain bike trail near Glendora, California. RidePal marks it as a black diamond trail. Listed stats: an estimated ride time of 14 min.
Mountain Biking in Glendora
Glendora is one of the mountain biking hubs in California, with mapped trail coverage on RidePal. Use Upper Colby Trail as a starting point to compare nearby routes by distance, difficulty, surface, elevation profile, and ride time.
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Trail Details
Surface
Ground
Technical Rating
Black Diamond
Trail Width
Narrow Singletrack
Trail Reviews
Community ratings and recent trail conditions
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Mountain Bike Trails Near Glendora
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Upper Colby Trail FAQ
Where is Upper Colby Trail?
Upper Colby Trail is a mountain bike trail near Glendora, California. RidePal maps the route, trail stats, photos, reviews, and nearby rides for this area.
How difficult is Upper Colby Trail?
Upper Colby Trail is 1.3 miles long, rated black diamond, with a ground surface, with an estimated ride time of 14 min. Check the map and recent conditions before riding.
What is the weather outlook for Upper Colby Trail?
Weather forecast for 2026-11-07: No significant precipitation expected. Little rain is indicated. Shaded or poorly drained sections may still be wet. Weather-based estimate. Always check local closures and posted trail conditions before riding.
What other mountain bike trails are near Upper Colby Trail?
Nearby RidePal trail pages in Glendora include DH jump line to rocky road, Mystic Canyon Trail, Lower Monroe Trail, North Spur Trail, Lower Monroe Truck Trail. Use the nearby trails section to compare distance, difficulty, and route style.
How can I update information for Upper Colby Trail?
Use the RidePal contribution portal from this page to submit corrections, photos, reviews, or route updates for Upper Colby Trail.
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