Lakes in Armstrong County, Pennsylvania      Allegheny River Pool Eight Allegheny River Pool Five Allegheny River Pool Nine Allegheny River Pool Seven Allegheny River Pool Six Byers Lake Crooked Creek Lake Joy Lee Lake Keystone Lake Lee Lake Mahoning Creek Lake Pearl Lake Pine Lake Pond Five Pond One Pond Two Rainbow Lake OTHER COUNTIES NEARBY Allegheny County Butler County Cambria County Clarion County Elk County Fayette County Forest County Indiana County Jefferson County Lawrence County Mercer County Somerset County Venango County Washington County Westmoreland County Pennsylvania Lakes