Along the way, 2 in Art, Photography and Philosophy on 2015-02-28 Play Pause Unmute Mute A high bluff overlooks the spot where the Withlacoochee River joins the Suwannee River on its way to the Gulf of Mexico. Suwannee River State Park, Florida. The Suwannee River is a wild blackwater river about 246 miles long made famous in a song by Stephen Foster, “Old Folks at Home.” in 1951.