Lake Hennessey
Lake Hennessey is a reservoir in the Vaca Mountains, east of St. Helena and the Napa Valley, within Napa County, California. The reservoir is formed by Conn Creek Dam, built in 1948 across Conn Creek.
- Type: Reservoir
- Description: lake of the United States of America
- Also known as: “Conn Valley Reservoir”
Places in the Area
Nearby places include Rutherford and Zinfandel.
Zinfandel
Hamlet
Zinfandel is a small unincorporated community… Zinfandel is situated 4 miles west of Lake Hennessey.
Lake Hennessey
- Categories: lake and body of water
- Location: Napa, California, United States, North America
- View on OpenStreetMap
Latitude
38.49001° or 38° 29′ 24″ north
Longitude
-122.37214° or 122° 22′ 20″ west
Elevation
318 feet (97 metres)
Open location code
84CVFJRH+24
This page is based on GeoNames, Wikidata, Wikimedia Commons, and Wikipedia.
We’d love your help improving our open data sources. Thank you for contributing.
Satellite Map
Discover this place from above in high-definition satellite imagery.
In Other Languages
From Cebuano to Welsh—“Lake Hennessey” goes by many names.
- Cebuano: “Lake Hennessey”
- French: “Lake Hennessey”
- Welsh: “Llyn Hennessey”
Localities in the Area
Places to explore: Chiles Valley and Thoman.
Notable Places Nearby
Highlights: Conn Dam and Sage Canyon.
California: Must-Visit Destinations
Worth a closer look: San Francisco and Los Angeles.
Curious Places to Discover
Uncover intriguing places from every corner of the globe.