Monocacy River
Linganore Creek is a tributary of the Monocacy River in Frederick County, Maryland. The stream is formed from the confluence of the north and south forks of the Linganore (), about east-northeast of the city of Frederick. The creek runs roughly southwest to the Monocacy River, which drains to the Potomac River. The watershed area of the creek is . High water in the creek can result in flooding of Gas House Pike, an east-west road running between Monocacy Boulevard and Green Valley Road.