River run is mostly easy doubletrack, with a slightly difficult section at the beginning. It travels along the river from the Green Loop to the south-west corner of the darling hill area, by Violet's Outback
connects River run to the Green Loop, it's a shorter, but steeper alternative to climb back up.
After River Walk
, the "Three T's" Troll Stroll
, Tap 'n Die
and Tody's Tour
all exit onto River Run. After the "three T's" is Webs
, a short but highly worthwhile trail.
Finally, River Run has a short section of singletrack, before ending a Violet's Outback