Part of BikeFest 08 is the Mountain Bike Festival organized by PTAG (Pittsburgh Trails Advocacy Group).  The Mountain Bike Festival will be traveling to all of the county parks.  Helmets are required and rides will be about 2 hours.

Mountain Bike Festival
July 4-8, 2008
Click here for full info

• Friday, July 4 – South Park
• Saturday, July 5 – North Park
  • Ride and Party
• Sunday, July 6 – Bavington
• Monday, July 7 – Boyce
• Tuesda, July 8 – Hartwood

Post Gazette Article on the Mountain Bike Festival (via BikePGH)

Photo: South Park Ride 2007, PGHmtb on Flickr