Analysing terrain data
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Trestle is a steep expert bump run that veers left off Roundhouse (a groomed blue), and is accessed by the upper Mary Jane lifts.
This run seems to go on forever! No Pain – no Jane! This black-diamond has changes in pitch, pockets of powder, trees to jump in and out of on the sides of the trail, and a different line to try every time you ski it.
A trestle is an open, cross-braced framework used to support an elevated structure such as a bridge.
In this case, it is referring to the bridges that allowed railroads to cross Rollins Pass before the tunnel was constructed.