Lake Hennessey Boating & Fishing

Lake Hennessey Aerial View

The general public is permitted to enjoy the sports of boating and fishing at Lake Hennessey, the City of Napa's largest local reservoir.

View details below regarding fees, hours, and rules.

Please note that bodily contact with water is not permitted:

  • No swimming
  • No paddleboards

Boating

  • Boating permit fee is $4 per day or $25 per year. Daily fee must be submitted in the drop box at the Lake Hennessey boat launch. Yearly permit may be purchased, cash or check preferred, by bringing completed Lake Hennessey Boating and Fishing Permit Application (PDF) to City of Napa Water Division headquarters downtown at 1340 Clay Street (intersection of Clay & Franklin Streets).
  • Launching and retrieving water craft permitted only during hours posted at the boat launch.
  • No motor over 10 horsepower. Any other drive unit must remain out of the water.
  • Lake Hennessey is a municipal water supply. Users must observe the full list of Boating Regulations (PDF).

Fishing

  • Fishing permit fee of $1 per day or $5 per year must be paid for persons 16 years or older. Daily fee must be submitted in the drop box at the boat launch. Yearly permit (calendar year) may be purchased, cash or check preferred, by bringing completed Lake Hennessey Boating and Fishing Permit Application (PDF) to Water Division headquarters downtown at 1340 Clay Street (intersection of Clay & Franklin Streets).
  • Fishing rules and limits are established by the California Department of Fish and Wildlife.
  • Lake Hennessey is a municipal water supply. Users must observe the full list of Fishing Regulations (PDF).