Lynch Creek

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Lynch Creek
Lynch Creek during dry season
Country United States
State California
Region Sonoma County
City Petaluma, California
Source Sonoma Mountain
 - location 7 mi (11 km) north of Petaluma, California
 - elevation 1,950 ft (594 m)
 - coordinates 38°19′21″N 122°34′58″W / 38.32250°N 122.58278°W / 38.32250; -122.58278 [1]
Mouth Petaluma River
 - location north of Petaluma, California
 - elevation 30 ft (9 m) [1]
 - coordinates 38°14′49″N 122°38′15″W / 38.24694°N 122.63750°W / 38.24694; -122.63750Coordinates: 38°14′49″N 122°38′15″W / 38.24694°N 122.63750°W / 38.24694; -122.63750 [1]

Lynch Creek is a 7.1-mile-long (11.4 km)[2] stream in Sonoma County, California, United States which discharges into the Petaluma River.


Lynch Creek rises on the west flank of Sonoma Mountain and descends initially to the west. It flows under Sonoma Mountain Road, then turns southward and roughly parallels Lynch Road for about a mile (2 km). Just north of Adobe Road, it crosses under Sonoma Mountain Road again. After crossing Adobe Road, it flows through Rooster Run Golf Club and enters suburban Petaluma, where it flows southwestward. It crosses Sonoma Mountain Parkway and Maria Drive and follows the western edge of Lucchesi Park to North McDowell Boulevard. From the south side of the Boulevard, it continues southward, passing under U.S. 101 at Sonoma County milepost 5.19 to feed into the Petaluma River near Jess Avenue.


Lynch Creek is spanned by several bridges, including:[3]

  • at U.S. Route 101, a pair of 79-foot (24 m) concrete continuous slabs built in 1955,
  • at Sonoma Mountain Road 0.35 miles (0.6 km) northwest of Adobe Road, a 62-foot (19 m) prestressed concrete tee beam built in 1984, and
  • at Adobe Road 3.2 miles (5 km) south of Petaluma Hill Road, a 60-foot (18 m) steel bridge built in 1950 and reconstructed in 1963.

See also[edit]


  1. ^ a b c U.S. Geological Survey Geographic Names Information System: Lynch Creek
  2. ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-04-05 at WebCite, accessed March 9, 2011
  3. ^ "National Bridge Inventory Database".