Spiro Trail
Park City Trail Highway. Get to a bajillion other trails via this little diddy.
*Recommended guides and rentals:
Aloha Ski & Bike Rentals →
Midway Adventure Company →
If you simply stick to the Spiro trail, you'll be riding a sweet little 6.2 miles out and back. Most riders use this trail to hook up with other trails. The trail is well-marked.