Data Disclaimer: Water level data is provided by USGS and NOAA for informational purposes only. Verify conditions on-site before any water activities.
Learn more
Lake Hennessey, located near St. Helena in Napa County, California, offers a public boat ramp and access site for kayakers, canoeists, and small motorized boats. The boat ramp is managed by the City of Napa and is available for day-use only.
Paddlers should note that launching canoes and kayaks from the lakeshore or any location other than the designated boat dock is prohibited. The boat ramp is currently open and accessible, though water levels can fluctuate due to drought conditions. Boaters are advised to check the water level and launch conditions before visiting.
The surrounding Cedar Roughs Wilderness and proximity to Lake Berryessa provide opportunities for further exploration and recreation in the area. Visitors are encouraged to contact the City of Napa at (707) 257-9521 or visit their website for the most up-to-date information on hours, fees, and any restrictions or advisories before planning their trip to Lake Hennessey.