Lock Haven, Pennsylvania
（重定向自Lock Haven）
![A formal building with arched windows and two domed towers is on a street corner near other less formal buildings. A car is parked in front of the formal building. Diagonally opposite are a stop sign and a small stone sculpture or monument.](/Images/godic/202501/24/Clinton_County_Pennsylvania_Courthouse_2_crop2024.jpg")
![Lock Haven is in southern Clinton County](/Images/godic/202501/24/Map_of_Lock_Haven,_Clinton_County,_Pennsylvania_Highlighted2024.png")
![Map of fortifications and streams in north-central Pennsylvania during the Big Runaway. Modern county borders are shown for orientation.](/Images/godic/202501/24/Big_Runaway_Map2024.PNG")
![Canal monument incorporating old lock in downtown Lock Haven](/Images/godic/202501/24/Canal_Monument_in_Lock_Haven_Pennsylvania2024.JPG")
The city of Lock Haven is the county seat of Clinton County, in the U.S. state of Pennsylvania. Located near the confluence of the West Branch Susquehanna River and Bald Eagle Creek, it is the principal city of the Lock Haven Micropolitan Statistical Area, itself part of the Williamsport–Lock Haven combined statistical area. At the 2010 census, Lock Haven's population was 9,772.