Nestled in the northern Gulf Coast of Florida, United States, is Rainbow Springs State Park. This area has served as a natural resource for humans and animals for centuries, with the crystal-clear Rainbow River—flowing through the park—playing a major role. The gently winding waterway is fed by Rainbow Springs, one of Florida"s largest springs. The water that bubbles up here comes from a 770-square-mile area and eventually flows into the Withlacoochee River.