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The exposure grade describes the potential consequences of falling or slipping off the path.
Low Exposure: The path is on completely flat land and potential injury is limited to falling over.
Medium Exposure: The trail contains some obstacles such as outcroppings and rock which could cause injury.
High Exposure: Some trail sections have exposed ledges or steep ascents/descents where falling could cause serious injury.
Extreme Exposure: Some trail sections are extremely exposed where falling will almost certainly result in serious injury or death.
Mill B is an advanced moderate hike that follows a very well traveled trail up to one of the most visited and scenic spots in the Central Wasatch.
From the S Curve parking lot in Big Cottonwood Canyon this trail follows a jeep road till it accesses the proper Mill B or " Lake Blanche" trail.
This trail is a little over 5 miles round trip with 2,700 feet of elevation gain as it center punches its way up the gut of the canyon.