[1] It is named in honor of former Public Safety director Gordon Hufnagle, who died saving lives during the Agnes Flood on June 21, 1972.

In 2009, the Buffalo Valley Recreation Authority acquired the right of way to the entire West Shore railroad which runs from Mifflinburg to Northumberland.

[4] The former Reading Railroad Freight Station stands beyond the park's northeastern corner, on North 5th Street.

After the nearby West Branch Susquehanna River flooded in 1972, the houses that formerly stood where Hufnagle Park is today were demolished.

[5] The park reopened in March 2024, having been closed for ten months for a $3.5 million renovation.