Registration is now open for the 2013 Alta Alpina Challenge: Riding the Wild Sierra presented by the Alta Alpina Cycling Club .

Date: June 29 Start Location: Turtle Rock Park, Markleeville CA

The Alta Alpina Wild Sierra is actually 4 events on one day in Alpine County California and Carson Valley Nevada.

The Wild Sierra Metric is 64 miles and 5000 feet of relatively moderate climbing including Luther Pass and Blue Lakes Summit.

The Wild Sierra Century includes Daggett Pass, Ebbetts Pass East, and Monitor Pass West for 110 miles and 11,000 ft of climbing in the heart of the Tahoe Sierra.

The 5 Pass Challenge is the reverse of Alpine County's most famous ride plus Diamond Valley for 135 miles and 16,000 feet.

The 8 Pass Challenge is a California Triple Crown ride and just may be the "Worlds Toughest Double Century" at 198 miles and 20,300 ft of climbing including the famous summits such as Kingsbury (Daggett), Carson, Luther, Blue Lakes, Monitor and Ebbetts.

Four fully supported and challenging rides in the Wild Sierra Free Online Registration!