Lost Chromosome is the S leg of the South Loop, and the entry to Helix area, at about the half way point. Starting from school it's an easy trail, well marked, and finishes with a few hondred yards of nice down hill. at the end you ford a stream and dump out onto Burnett rd. Hang a right to follow south loop.
13
Flows nicely. Good amount of root/rock action between hardpack. Needs 3-4 days to dry after a hard rain.
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