Simcoe County’s Elite Hockey Training Destination. The Hockey Mill is a 7,800 sq ft all-season facility built on the belief that the right environment and tools help athletes not just keep up, but lead. Featuring 2 HST treadmills with AI-powered Skating Analysis, synthetic ice shooting lanes, and a dedicated hockey gym, this Collingwood center delivers professional-grade diagnostics and year-round training for youth, junior, and elite players.