Prior to dredging, Fowler's Slough was a channel of the Cowlitz River.

[3] The idea and design for the garden came from then Longview Parks Superintendent Al George.

[3] During the week of July 4th, Lake Sacajawea hosts an annual festival which includes a flea market, a parade, concerts, and a fireworks show.

[4] In 2001, the Friends of Galileo Astronomy Club installed plaques along the lake's trail.

These plaques make up a scale model of the solar system which can be followed by walking along the west side of the lake.