This cache is hidden in Eden Park, which is situated on top of a giant underground water reservoir, where the original Eden Park Reservoir once was.
Aerial view of the Eden Park Reservoir. Cache location in the center of the image on the right.
The Eden Park Reservoir was a key part of the city’s early water system, originally built in the 1860s to provide clean drinking water to residents. Its elevated position not only made it an efficient water source but also provided a picturesque setting with stunning views of the city. Over the years, the reservoir became more than just a utility; it was a scenic landmark that drew visitors to the park, complementing its lakes, gardens, and walking paths.
By the mid-20th century, advancements in water treatment and distribution led to the reservoir’s decommissioning. The space was eventually repurposed, with parts of it being transformed into Mirror Lake, a popular reflecting pool and gathering spot within Eden Park. Today, while the original reservoir no longer functions as a water supply, its historical significance remains. The surrounding park continues to be a cherished destination, offering a blend of natural beauty, cultural attractions, and remnants of Cincinnati’s early infrastructure.
Historical view of the reservoir (cache location on the right). Image credit: Library of Congress
Modern view of the same place. Image credit: Google Maps
Beneath Eden Park, a modern underground reservoir was constructed after the original above-ground reservoir was decommissioned. Though hidden from view, the reservoir plays a crucial role in providing clean drinking water to thousands of residents.
Another historical view of the reservoir. Cache location in the distance on the left. Image credit: Library of Congress.
In today's Eden Park, you can walk on what was once the bottom of the original reservoir, while also walking on top of the modern reservoir!