The Twin Bridges area takes its name from the two bridges that cross the Neosho (Grand) and Spring Rivers. Before Grand Lake and Twin Bridges State Park were built, this hill, known as Farley Hill, was part of the Farley family's dairy farm. In 1919, Jesse Farley built two houses on the hill, one for himself and one for his son Claude. Jesse's house later served as the park manager's residence, and Claude's house served for many years as the park office. Jesse Farley drowned on April 16, 1927, in the flood waters of the Neosho River while on horseback trying to help motorists blocked by the flood. After his father's death, Claude continued to operate the dairy until he sold the farm to GRDA during construction of the lake. Grand Lake was planned to have two parks, Twin Bridges State Park at the north end and Cherokee State Park at the south end. The current park maintenance building at Twin Bridges was the original dairy barn, most of the Farley farm now lies under the lake, the family once had a 35 acre strawberry patch on the hilltop, and two pear trees west of the park ranger's residence were planted by the Farleys in 1921.