An exceptional cross country trail that will challenge average riders.”
— Nick Alvey
As of now, a Discover Pass is required to park at the entrance.
This is the Tiger Mountain trail network. It's been around for a couple decades, but has gotten some new attention within the last few years thanks to the Evergreen Mountain Bike Alliance.
The Preston Railroad trail is an XC trail at heart, that acquires some flow near the end. It's more difficult if ridden quickly and has numerous obstacles that are optional along the ride.