Powell in Delaware County, Ohio — The American Midwest (Great Lakes)

Colo

Photographed by Craig Doda, August 22, 2026

1. Colo Marker

Inscription. The world's first gorilla born in captivity 12/22/1956 - 01/17/2017

Erected 2000 by Dotty Henderson.

Topics. This historical marker is listed in these topic lists: Animals • Parks & Recreational Areas.

Location. 40° 9.331′ N, 83° 7.335′ W. Marker is in Powell, Ohio, in Delaware County. It is at the intersection of Riverside Drive (Ohio Route 257) and Glick Road, on the right when traveling south on Riverside Drive. Touch for map. Marker is at or near this postal address: 9990 Riverside Dr, Powell OH 43065, United States of America. Touch for directions.

Regionally, this marker is in the Scioto Valley

and in the Columbus Metropolitan Area.

It is also in the American Midwest

and in the Corn Belt.

Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once the Haudenosaunee (Iroquois) Confederacy,

the territory of the Mississippian Culture,

and the Northwest Territory.

Other nearby markers. At least 8 other markers are within walking distance of this marker: We Care!

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(within shouting distance of this marker); Saving Bonobos (within shouting distance of this marker); Habitat is Home (about 300 feet away, measured in a direct line); Unga (about 300 feet away); Major Conservation Threats (about 400 feet away); Save the Tasmanian Devil Program (about 400 feet away); Aldabra Giant Tortoise (about 500 feet away); 1914 Mangels - Illions Carousel (about 500 feet away). Touch for a list and map of all markers in Powell.

Photographed by Craig Doda, August 22, 2026

2. Colo Marker

Credits. This page was last revised on September 10, 2026. It was originally submitted on September 9, 2026, by Craig Doda of Napoleon, Ohio. This page has been viewed 4 times since then. Photos: 1, 2. submitted on September 9, 2026, by Craig Doda of Napoleon, Ohio. • Devry Becker Jones was the editor who published this page.