Threemile Slough

Threemile Slough is an inlet in Sacramento County, Sacramento Valley, California. Threemile Slough is situated nearby to the hamlet Mackenson, as well as near Noverd.

Places of Interest

Highlights include Twitchell Island and Bradford Island.

Twitchell Island

Island

Photo: U.S. Army Corps of Engineers Sacramento District, Public domain.

Twitchell Island is an island in the Sacramento-San Joaquin River Delta in Sacramento County, California, 35 kilometres southwest of Sacramento. At 2 metres below sea level, the 1,200 ha is bounded on the north by Seven Mile Slough, on the east and south by the San Joaquin River, and on the west by Three Mile Slough. Twitchell Island is situated 2 miles east of Threemile Slough.

Bradford Island

Island

Bradford Island is a 2,172-acre island of the Sacramento–San Joaquin River Delta, in Contra Costa County, California, United States. Bradford Island is inaccessible by roads, and is served by a ferry across the False River from nearby Jersey Island. Bradford Island is situated 2½ miles southeast of Threemile Slough.

Places in the Area

Nearby places include Rio Vista and Isleton.

Rio Vista

Photo: Pi.1415926535, CC BY-SA 4.0.

Rio Vista is in the California Delta in Solano County in the Sacramento Valley region of California.

Isleton

Photo: SarahStierch, CC BY 4.0.

Isleton is a city in Sacramento County, California, United States. The population was 794 at the 2020 census, down from 804 at the 2010 census. It is located on Andrus Island amid the slough wetlands of the Sacramento-San Joaquin River Delta, on the eastern edge of the Rio Vista Gas Field.

Threemile Slough

Type: Inlet
Also known as: “Three Mile Slough”
Category: body of water
Location: Sacramento County, Sacramento Valley, California, United States, North America
View on OpenStreetMap

Latitude

38.10603° or 38° 6′ 22″ north

Longitude

-121.68412° or 121° 41′ 3″ west

Elevation

-13 feet (-4 metres)

Open location code

84CW4848+C9

GeoNames ID

5402494

This page is based on GeoNames, Wikidata, and Wikimedia Commons.

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Satellite Map

Discover Threemile Slough from above in high-definition satellite imagery.

Places with the Same Name

Discover other places named “Threemile Slough”.

Localities in the Area

Explore places such as Mackenson and Noverd.

Notable Places Nearby

Highlights include Delta Vista Berthing Area and Brannan Island State Recreation Area.

Sacramento County: Must-Visit Destinations

Delve into Sacramento, Elk Grove, Folsom, and Citrus Heights.

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