Rat Pac Trail is a 7.1 mile lightly trafficked out and back trail located near Roslyn, WA that offers the chance to see wildlife and is rated as difficult. The trail is primarily used for mountain biking and is accessible from March until October.
Great trail, really flowy. Not for beginners but intermediate can handle it just fine.
Fun downhill track that comes off Cle Elum ridge and ends near downtown Cle Elum. It is best riding up road (there are a few options) and down the singletrack.