What is the phone number for Grayback Gulch Campground?

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Grayback Gulch Campground is located at Forest Road 347A, Boise ID 83716. Grayback Gulch Campground can be contacted at (208) 392-6681 or http://www.recreation.gov/camping/Grayback_Id/r/campgroundDetails.do?contractCode=NRSO&parkId=70097&topTabIndex=CampingSpot