Hidden Valley Camp is a traditional resident summer camp for boys & girls (ages 7 to 16) located in Granite Falls, WA. Horseback riding, sailing, swimming, arts & crafts, canoeing, drama, hiking and more. Carefully selected and trained staff. 13, 19 & 21 day sessions. Small group program emphasis. ACA Accredited. HVC is a safe, fun and rewarding resident camp experience that has provided lifelong friendships & memories for campers and staff since 1947!