The park's stone circle is designed to align with the rising sun during summer and winter solstices and equinoxes.
The site was constructed to mitigate regional light pollution, making it one of the best locations for viewing the Milky Way in Ohio.
It is strategically situated near Hocking Hills State Park, leveraging the natural topography to shield the observation area from artificial light.
The pavilion is equipped with power and concrete pads to accommodate portable telescopes brought by amateur astronomers.
John Glenn Astronomy Park is a dedicated dark-sky observation site located in Hocking Hills, designed to minimize light pollution for stargazing. The park features a central plaza with a large solar-aligned stone circle resembling a modern-day Stonehenge. It is named after the Ohio-born astronaut and senator John Glenn to honor his legacy in space exploration. The site includes a specialized pavilion used for telescope observation and public astronomy programming. It is situated within the Hocking Hills region, known for its deep sandstone gorges and forest canopy. The park remains open to the public daily for night-sky viewing when weather conditions permit. It serves as a hub for both amateur astronomers and casual visitors interested in celestial observation.
Inside the center of the stone plaza looking upward toward the zenith or toward the solar alignment markers.
Bring a red-filtered flashlight to navigate the park without ruining your night vision or disturbing other observers.
Check the park's online 'Clear Sky Chart' for real-time cloud cover and transparency forecasts before driving out.
Bring blankets or reclining lawn chairs to view the sky comfortably without straining your neck.
Do not expect to see stars if you visit during a full moon or heavy cloud cover; avoid using flash photography near others.
Open year-round, though programming and telescope availability are highly dependent on weather conditions and sky clarity.
Avoid using white light flashlights or vehicle headlights after dark; observe silence to allow for professional and amateur observation.
