Parkgate is a village on the Wirral Peninsula in Cheshire, England, on the banks of the River Dee, adjoining 100 square kilometres (39 sq mi) of salt marsh. At the 2011 Census, it had a population of 3,591.

The Wirral Peninsula, known locally as the Wirral, is a peninsula in North West England. The roughly rectangular peninsula is about 15 miles (24 km) long and 7 miles (11 km) wide, and is bounded by the Dee Estuary to the west, the Mersey Estuary to the east, and Liverpool Bay to the north.