After an introduction on stand thinning objectives and methods, this report gives an overview of the habitat and growth characteristics of jack pine and presents a literature review of jack pine thinning. Research needs regarding thinning operations in Ontario and management considerations for jack pine are also outlined. The report concludes with a case study conducted to demonstrate commercial thinning of jack pine with a single grip harvester. The study was carried out at the Seine River Demonstration Forest in north-west Ontario.