High Hazels Park is a 20-hectare[1] parkland area in Darnall, Sheffield, South Yorkshire, England. Since the 19th century, Darnall has been a centre of the coal and steel industry in Sheffield. High Hazels House, located in the park, was built in 1850 by William Jeffcock (the first Mayor of Sheffield). In 1894, Sheffield City Council (the Corporation of Sheffield) bought the land and house from the Duke of Norfolk and Messers Jeffcock for £10,875. In 1895, the land was first used as a public recreation ground and was classed as one of the finest parks within the city of Sheffield.[2] The park used to be home to a boating lake, which has since been filled in.