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Grass Valley, California

0.4 mi   dirt

Orleans Trail

Dirt route on Colfax Hwy, Grass Valley, Nevada County, California

0.3 mi   dirt

Prescott Mine Trail

Dirt route from Prescott Mine Trail to Osborne Hill Rd, Grass Valley, Nevada County, California

0.1 mi   dirt

Osborne Hill Loop Trail to Betsy Mine Trail

Dirt route on Osborne Hill Rd, Grass Valley, Nevada County, California

0.3 mi   dirt

Prescott Hill Crosscut Trail

Dirt route from Prescott Hill Crosscut Trail to Prescott Hill Crosscut Trail, Union Hill, Nevada County, California

0.5 mi   dirt

Osborne Hill Loop Trail

Dirt route from Osborne Hill Loop Trail to Conlon Mine Loop, Grass Valley, Nevada County, California

0.4 mi   gravel

Conlon Mine Trail

Gravel route from Osborne Hill Loop Trail to Conlon Mine Loop, Grass Valley, Nevada County, California

1.6 mi   dirt

Osborne Hill Loop Trail

Dirt route on Osborne Hill Loop Trail, Grass Valley, Nevada County, California

0.5 mi   dirt

Osborne Loop Crosscut

Dirt route from Hardrock Trail to Osborne Hill Loop Trail, Grass Valley, Nevada County, California

1.4 mi   dirt

Hardrock Trail

Dirt route on E Empire St, Grass Valley, Nevada County, California

0.9 mi   singletrack

Loma Rica Trail

Singletrack route from Brunswick Pines Rd to Brunswick Rd, Grass Valley, Nevada County, California

42.7 mi   gravel
2.1 mi   gravel

Spenceville Road

Gravel route from Spenceville Rd to Spenceville Rd, Grass Valley, Nevada County, California

1.5 mi   gravel

Mt Olive Rd

Gravel route on Mt Olive Rd, Grass Valley, Nevada County, California

"sweet"

   1
2.2 mi   gravel

Meadow Way to Tumbling Creek Rd

Gravel route from Meadow Way to Red Dog Rd, Grass Valley, Nevada County, California

3.6 mi   gravel

Jones Ridge Rd

Gravel route from Camp Rd to Red Dog Rd, Nevada City, Nevada County, California

"Mostly gravel except for a couple of steeeeep spots"

1.2 mi   gravel

Lost Lake Rd

Gravel route from You Bet Rd to Lost Lake Rd, Grass Valley, Nevada County, California

"Gravel section marked, rest of road is paved"

20.3 mi   gravel
13.4 mi   gravel

Red Dog Rd to Chalk Bluff Rd

Gravel route from You Bet Rd to Chalk Bluff Rd, Nevada City, Nevada County, California

"Nice out and back. A little pavement at the beginning then all gravel / dirt."

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