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Black Diamond Trail
Trail
3.8 mile
6.1 kilometer
point to point
Doubletrack
Intermediate
Elevation
Ascent:
972'
296 m
Descent: -620' -189 m
High: 1,593' 486 m
Low: 765' 233 m
Grade
Avg Grade: 8% (5°)
Max Grade: 27% (15°)
Dogs
Unknown
Weather
All Clear
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“Forming a loop with the Nortonville Trail, it climbs steeply to one of the high ridges in the area.”
— Bob GardnerElectric Mountain Bikes Unknown
Features -none-
Description
From the end of the Nortonville Trail near the park boundary, stay right at the junction with the hiker-only Coal Canyon Trail. The climbing starts immediately past the Black Diamond Shaft mining site, steeply at times, to the junction with the paved Black Diamond Way. The grade eases a bit but this road gets steeper after passing the Cumberland Trail on the right.
When the communication towers come in to view, the paved section soon ends at a gate and the dirt trail branches to the left at the high point of the loop. Most of the descent is smooth fire road with nice views to the Delta. The trail drops into Manhattan Canyon where there's some loose sand from mining operations and a short rocky climb out before rejoining the Nortonville Trail at Nortonville Pass.
When the communication towers come in to view, the paved section soon ends at a gate and the dirt trail branches to the left at the high point of the loop. Most of the descent is smooth fire road with nice views to the Delta. The trail drops into Manhattan Canyon where there's some loose sand from mining operations and a short rocky climb out before rejoining the Nortonville Trail at Nortonville Pass.
Contacts
Land Manager: East Bay Regional Park District (CA)
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