Alto Pass Reservoir Dam

Alto Pass Reservoir Dam is a dam in Union, Illinois.

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Places in the Area

Nearby places include Cobden and Makanda.

Cobden is a village in Union County, Illinois, United States, within the Southern Illinois region informally known as "Little Egypt.” The population estimate as of 2025 is 1,064.

Makanda is a village in Jackson County, Illinois, United States. As of the 2020 United States census, the population was 547, down from 561 in 2010. In the early 20th Century it used the slogan "Star of Egypt." Makanda is part of the Carbondale, Illinois Micropolitan Statistical Area.

Latitude

37.57947° or 37° 34′ 46″ north

Longitude

-89.30599° or 89° 18′ 22″ west

Elevation

719 feet (219 metres)

Open location code

869GHMHV+QJ

OpenStreetMap ID

OpenStreetMap feature

waterway=dam

GeoNames ID

Wikidata ID

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“Alto Pass Reservoir Dam” goes by many names.

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About Mapcarta. Data © OpenStreetMap contributors and available under the Open Database License". Text is available under the CC BY-SA 4.0 license, except for photos, directions, and the map. Photo: Rastapopulous, CC BY-SA 3.0.