The optical illusion is caused by the absence of a true horizon line, which prevents the human eye from gauging the actual incline.
Local legends often credit the 'spooky' movement to the spirit of a legendary chief buried nearby.
The landmark is officially recognized as a Florida historical site and features a commemorative marker.
Surveyors have confirmed the road is physically graded downward, disproving the gravity-defying claims through scientific measurement.
Spook Hill is a designated gravity hill where an optical illusion makes vehicles appear to roll uphill in neutral gear. The phenomenon relies on a landscape configuration that obscures the true horizon, tricking the eye into perceiving a slope in the opposite direction of the actual grade. Visitors perform the experiment by positioning their cars on a white line marked on the road, shifting into neutral, and removing their feet from the brake. Historical markers at the site recount local folklore, including the tale of a battle between a Native American chief and a giant alligator. The site remains a public road and is maintained by the City of Lake Wales. It is widely recognized as one of the oldest gravity hills in Florida, documented since the mid-20th century.
Position your camera low to the ground near the white line to capture the visual disconnect between the car's movement and the surrounding terrain.
Bring a bottle of water to pour on the ground; watching the water flow can help your brain process the actual slope direction.
Turn off your engine while in neutral to better hear and feel the movement of the vehicle.
Visit during daylight hours to ensure the visual perspective trick is most effective.
Do not attempt the experiment in heavy traffic, as the road is a public thoroughfare and sudden stops can be dangerous.