 Lock Haven is at <unk> feet ( 171 m ) above sea level near the confluence of Bald Eagle Creek and the West Branch Susquehanna River in north @-@ central Pennsylvania . The city is about 200 miles ( 320 km ) by highway northwest of Philadelphia and 175 miles ( 280 km ) northeast of Pittsburgh . U.S. Route 220 , a major transportation corridor , skirts the city on its south edge , intersecting with Pennsylvania Route 120 , which passes through the city and connects it with <unk> in northern Clinton County . Other highways entering Lock Haven include Pennsylvania Route <unk> and Pennsylvania Route 150 , which connects to Avis . 
