St. Isidore is a hamlet in northwest Alberta, Canada, within Northern Sunrise County. It is located approximately 16 kilometres (9.9 mi) east of the Town of Peace River on Range Road 204 off Highway 688. St. Isidore is flanked by deep ravines cut by Pat's Creek to the north and Pat's Creek tributary to the south. The ravines are surrounded by pine forests.In 2007, the St. Isidore Development Committee organized the St. Isidore Cultural Marketing Project that involved a lot reservation draw.