North Sterling Reservoir is near 3,000 surface acres. May 25, 2013 by Matt ThomasNorth Sterling Reservoir is near 3,000 surface acres. North Sterling State Park About Matt Thomas Matt is an avid writer and explorer, who loves to showcase his home state of Colorado. His favorite place to be is right here in the Centennial State. Previous Post:North Sterling Reservoir is near 3,000 surface acres.