Empire Mine State Historic Park

Grass Valley, Nevada County, California · State Historic Park

Historic gold mining site near Grass Valley featuring preserved mine buildings, English-style gardens, and miles of forested trails for hiking, biking, and horseback riding through the Sierra foothills.

Top trails

• Hardrock Trail Loop — 2.4 mi · Loop
• Osborn Hill Loop Trail — 1.5 mi · 188 ft gain · 36m · Loop
• Upper Union Hill Trail — 1.0 mi one way · 186 ft gain · 26m · Point to point
• Ophir Hill and Orleans Mine via Hardrock and Union Hill Trail — 5.9 mi · Loop
• Memorial Park Trail — 0.7 mi one way · 208 ft gain · 20m · Point to point

More trails here: Empire Street Trail, Orleans Trail, Osborn Loop Crosscut, Osborn Hill Road Trail.

Coordinates: 39.2060, -121.0439.

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