Siltcoos Lake is the largest lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 on the Oregon Coast

Oregon Coast

The Oregon Coast is a region of the U.S. state of Oregon. It runs generally north-south along the Pacific Ocean, forming the western border of the state; the region is bounded to the east by the Oregon Coast Range. The Oregon Coast stretches approximately from the Columbia River in the north to...

 of the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. Serving as the origin for Siltcoos River

Siltcoos River

The Siltcoos River is a short river on the central Oregon coast. It begins at Siltcoos Lake and drains mostly westward to the Pacific Ocean a direct distance of 2.3 miles but approximately 3 meandering river miles...

, it is located about six miles south of Florence, Oregon

Florence, Oregon

Florence is a city in Lane County, Oregon, United States. As of the 2010 census, the city had a total population of 8,466.-History:The Florence area was originally inhabited by the Siuslaw tribe of Native Americans. Some state that the city was named for state senator A. B...

. The lake has a mean elevation of eight feet above sea level. Siltcoos Lake is a popular destination for fishing on the central Oregon Coast and is home to trout, perch, bass, catfish and coho salmon. Siltcoos Lake Seaplane Base

Siltcoos Lake Seaplane Base

Siltcoos Lake Seaplane Base , is a public seaplane base located 6 miles south of the city of Florence in Lane County, Oregon, USA....

 is also located on the lake. In September 2007, a toxic algae

Algae

Algae are a large and diverse group of simple, typically autotrophic organisms, ranging from unicellular to multicellular forms, such as the giant kelps that grow to 65 meters in length. They are photosynthetic like plants, and "simple" because their tissues are not organized into the many...

 bloom made the lake unfit as a water source for lakeside residents, including the people of Dunes City

Dunes City, Oregon

Dunes City is a city in Lane County, Oregon, United States. The population was 1,303 at the 2010 census.- Geography :According to the United States Census Bureau, the city has a total area of , of which is land and is water.- Demographics :...

.