Often called a test piece of ski mountaineering, the Grand Teton is an icon in skiing and climbing. From an abundance of mileage and vert to technical mixed climbing, the Grand presents a multitude of challenges for the way up and back down. Joining Cody Townsend is a guy whose life was shaped and sculpted by the mountain itself, the legendary Jimmy Chin.

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'The FIFTY' is a project to climb and ski all 50 lines chronicled in the book, "The Fifty Classic Descents of North America". Over the next three years, Cody Townsend will be chronicling the adventures, challenges, and travels as he takes on a collection of the most aesthetic, spectacular, and hardest lines in North America.

Line #1: Messner Couloir

Line #2: Mt. Superior

Line #3: Terminal Cancer

Line #4: Hypodermic Needle

Line #5: Mt. Currie

Line #6: Aemmer Couloir

Line #7: Joffre Peak

Line #8: The Sphinx

Line #9: Pontoon Peak

Line #10: Spearhead Traverse

Line #11: Giant Steps Couloir