Marmora and Lake is a municipality along the banks of Crowe River and Beaver Creek, about midway between Toronto and Ottawa on provincial Highway 7 in Hastings County in Central Ontario, Canada.

[1] It is home to over 4,000 full time and seasonal residents, many of whom enjoy outdoor recreation and relaxation on Crowe Lake.

Other minerals extracted from township mines include copper, lead, silver, gold and lithographic limestone.

Today, talc and dolomite are processed in the municipality at the site of the former Bethlehem Steel Corporation iron ore open pit mine.

[2] According to the 2021 Census, mother tongue of its population is:[2] Marmora and Lake Council, as of 2023[update]:[10] Provincial and federal representation: List of former mayors: Other map sources: