Online Highways Home > California > Grass Valley City Map with Features Empire Mine State Historic Park For more than 100 years, Empire Mine in Grass Valley was one of the largest, deepest, longest operating mines around, producing nearly 6 million ounces of gold. The park contains many of the mine's buildings, the owner's home and restored gardens, as well as the entrance to 367 miles of abandoned and flooded mine shafts. There are eight miles of trails in the park. Read reviews and find hotels in Grass Valley. Location: 10791 E. Empire Street, Grass Valley California 95945 Telephone 530-273-8522 See more California State Parks. Other upcoming events include:

Search Grass Valley California 6 What have people been Tweeting about Grass Valley?

fateunderfire "Grass Valley tomorrow. Buy your tickets in advance here for cheaper then the door: fateunderfire.bigcartel.com"
whywhyseriously "By the way after seeing a few pictures i'm definitely coming with you to grass valley next time looks awesome :)"
CSVluvsHS_JB "At the SHS game in Grass Valley! LET'S GO HUSKIES!!!"
sb_joedavidson "Nevada Union leads Sheldon 27-7 as Broughan Jantz has 2 TD passes, Drew Hoskin has a fake punt TD and it's about 21 degrees in Grass Valley"
plumaslaker "A post Thanksgiving tradition...dinner at the Owl in Grass Valley followed by a stroll around Cornish Christmas. #fb"
buildersyellow "A and A Air COND Heating and Sheet - Grass Valley CA - air conditioning contractors furnaces heatinhttp://buildersyellow.com/sh/3/198"
beccawik "Hwy 88 was closed over the sierras so we're parking it in grass valley for the night. I'm ok w/that."
baddaddybbq "The view from the bad daddy booth at the grass valley Cornish Christmas fair. This is fun. http://bit.ly/7Wm7D5"
knco "Cornish Christmas festivities start tonight (Friday) in Grass Valley. Grass Valley Downtown Bus... Read more at http://bit.ly/74LEYf"
pickisays "@hlmmusic have fun guys! imma go tommorrow to Grass valley for a show. <3"
MedicZero "Wondering around Cornish Christmas in Grass Valley"
JohnnyBrackett "Going to Cornish Christmas in Grass Valley, CA. Ha, middle of nowhere; so fun."
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