Upper Union Trail
Grass Valley · California
0.7 mi
Distance
...
Net Elevation
8 min
Est. Time
Peak Elevation
...
Difficulty
Not Rated
0.7 mi
Distance
...
Net Elevation
8 min
Est. Time
...
Peak Elevation
Not Rated
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
Monday
a high near 67°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 Union Trail is a 0.7-mile mountain bike trail near Grass Valley, California. Surface: singletrack. Listed stats: an estimated ride time of 8 min.
Mountain Biking in Grass Valley
Grass Valley is one of the mountain biking hubs in California, with mapped trail coverage on RidePal. Use Upper Union 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
Singletrack
Trail Reviews
Community ratings and recent trail conditions
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Mountain Bike Trails Near Grass Valley
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Upper Union Trail FAQ
Where is Upper Union Trail?
Upper Union Trail is a mountain bike trail near Grass Valley, California. RidePal maps the route, trail stats, photos, reviews, and nearby rides for this area.
How difficult is Upper Union Trail?
Upper Union Trail is 0.7 miles long, with a singletrack surface, with an estimated ride time of 8 min. Check the map and recent conditions before riding.
What is the weather outlook for Upper Union Trail?
Weather forecast for 2026-11-06: 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 Union Trail?
Nearby RidePal trail pages in Grass Valley include Empire St Trail, Indian Ridge Loop Trail, Pipeline Trail, Indian Ridge Trail, Indian Ridge Trail. Use the nearby trails section to compare distance, difficulty, and route style.
How can I update information for Upper Union Trail?
Use the RidePal contribution portal from this page to submit corrections, photos, reviews, or route updates for Upper Union Trail.
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