Uhthoff Quarry is located on Burnside Line, 5km west of Hwy 11.  Our service area extends and provides from Orillia, north to the Muskoka area down through Simcoe County.  This includes Barrie, Innisfil, Bradford and as far south as King City, Vaughan and North York.  This Quarry provides high quality limestone aggregates for a wide range of projects from home and landscape construction to road construction as well as asphalt/concrete plants.