The Trent University Jiu Jitsu dojo is located at:

Multi-purpose room
Athletic Complex (2nd Floor)
Trent University
Symons Campus
Peterborough ON

Here's a map of the area (click and move to pan the map or use the controls), and some directions for those coming from out of town.

Directions from Ottawa

Enter into Peterborough on Highway 7 -- which becomes Lansdowne Street. Turn right on George Street (lights), and proceed north on George. The road turns to become Water Street. Proceed north on Water until Trent University (on right). Turn right onto Nassau Mills Road and then left before the bridge. The Athletics Complex is on the right after the long curve.