Greenhorn Reservoir   Be the first to submit input for Greenhorn Reservoir. If you have info on Greenhorn Reservoir, Siskiyou Mountains, Siskiyou County, California please submit it here to improve this web site.          These outdoors activities are available near Greenhorn Reservoir.   Lakes Near Greenhorn Reservoir: Marlahan Pond, Siskiyou County, 16 miles away   Public Lands Near Greenhorn Reservoir: Shasta National Forest, California, 31 miles away Castle Crags State Park, California, 35 miles away Whiskeytown National Recreation Area, Whiskeytown - CA, 52 miles away   Camp Grounds Near Greenhorn Reservoir: Waiiaka Trailer Haven, Yreka, 1 miles away Yreka RV Park, Yreka, 3 miles away Cove Mobile Villa, Yreka, 5 miles away Tree of Heaven Campground, Siskiyou County, 6 miles away   Hotels Near Greenhorn Reservoir: Baymont Inn And Suites Yreka, Yreka, 0 miles away Comfort Inn Yreka, Yreka, 1 miles away Rodeway Inn Yreka, Yreka, 1 miles away Relax Inn of Yreka, Yreka, 1 miles away Klamath Motor Lodge, Yreka, 1 miles away   Hiking Trails Near Greenhorn Reservoir: Pacific Crest Trail - section 18, overlapping County, 6 miles away       229.3 hiking miles, 7782 feet elevation difference Clear Creek Trail, Siskiyou County, 8 miles away        3.8 hiking miles, 743 feet elevation difference Bear Creek Trail, Siskiyou County, 9 miles away       7.1 hiking miles, 3136 feet elevation difference   Ski Areas Near Greenhorn Reservoir: Mt. Ashland, Oregon, 19 miles away       1195 foot drop, 4 lifts, 23 runs Mount Shasta, California, 37 miles away       1390 foot drop, 5 lifts, 32 runs   Whitewater Near Greenhorn Reservoir: Shasta River, SiskiyouCounty, 5 miles away       Class III - 6.8 miles long (Highway 263 bridge to Klamath River) Klamath River, SiskiyouCounty, 19 miles away       Class II - 48 miles long (Iron Gate Dam to Sarah Totten Camp Ground)