Annually, OSC volunteers donated thousands of hours of time to stewarding natural resources and restoring wildlife habitat in the STL region.

Land Conservation

OSC works to create parkland and secure greenspace for the next generation.

Watershed Restoration

Our Operation Clean Stream project annually restores 500 miles of the river and educates the public on the importance of keeping our rivers clean.


Founded in 1965, the Open Space Council works independently and collaboratively to conserve and sustain land, water and other natural resources throughout the St. Louis region.

Upcoming Events

Historical Photos