Undercut Rock is the lead-in to the most intense section of the Sandy, beginning with Zoom Flume. Though this rapid can be run on the left, as AW safety guru Charlie Walbridge does, most boaters choose to take on a complex series of holes and diagonal waves just above a cheese-grater slide. This is where people tend to break paddles just out of the shrinkwrap, or put a grapefruit-sized hole in the shoulder of the article of clothing formerly known as "drysuit." Those who flip in Zoom Flume tend to favor one shoulder or elbow when they go to work the following Monday. Don't ask me how I know. See another good Zoom Flume pic by clicking
here.