McCall Winter Sports Club hosts Hidden Valley Hoedown Big Mountain Competition  Sunday March 10, the McCall Winter Sports Club will host the Hidden Valley Hoedown (HVH) Big Mountain Competition at Brundage Mountain Resort from 9:30 – 4:00. This International Freeski and Snowboard Association (IFSA) sanctioned event is open to skiers and snowboarders ages 10-18. Participants will take their two best runs down a section of Upper Hidden Valley piecing together inventive lines, going big, and competing for great prizes. Riders…