First descents are few and far between these days, but it’s always possible to go exploring for a personal first descent. Neither Eric Boomer nor Todd Wells had ever run the “Box” of the Clarks Fork of the Yellowstone. After receiving a few brief instructions from a friend via text message, the pair dropped into one of the most committing Class V+ canyons in the lower 48 states. With granite walls that soar to over 1200 feet tall, the Box has multiple mandatory portages around unrunnable drops—the perfect recipe for an exploratory adventure. This quick video gives us a little insight into the beauty of a trip down the Clarks Fork Box.

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