The popular Hardrock Trail Area is the historic heart of Empire Mine State Historic Park giving visitors access to 856 forested acres within downtown Grass Valley.
Interest: Equestrian Use
***Please reference individual trails for detailed information.

Osborne Hill Trail Area makes up the southern arm of Empire Mine State Historic Park with boundless riding and hiking options through deep woods and some open areas. Along the way look for remnants of several significant mines.

Trail Manager: Rice’s Crossing Preserve managed by Bear Yuba Land Trust | Contact info@bylt.org / (530) 272-5994 Length: 1.1 miles one way. This is a connector trail between Yuba Rim and Yuba Drop. Altitude Change: Approximately 750 feet Difficulty: Moderate. The way out is downhill and can be completed fairly quickly. The hike back up the…