Lock 46, Cowroast Lock Notice Details From Date: 7th November 2016 at 07:00 To Date: 18th November 2016 at 17:00 inclusive Type:Navigation Closure Reason:Repair Description:Lock 46:Bottom gate re-fitment and chamber brick work repairs. Location: Grand Union CanalStarts At:Lock 46, Cowroast LockEnds At:Lock 46, Cowroast LockUp Stream Winding Hole:Winding Hole, Crow Roast.Down Stream Winding Hole:Winding Hole, Winkwell. Search again Share Email Facebook Twitter Notice Location