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

SPECIAL NOTICE:
Primitive Boat Launching Facility at Lake Hennessey is open.
The new boat dock has been under construction since early April!  The 7-week manufacturing and coating process for the steel frames is underway and visitors to the Lake will see pontoon installation during the first week of June followed by the fenders and concrete deck.  Construction is expected to be complete and the dock open for permanent use on June 22!

No bodily contact with water is permitted.  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 fee may be purchased at City of Napa Water Division headquarters downtown at 1340 Clay Street (intersection of Clay & Franklin Streets) - cash or check preferred.
  • 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.

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 fee (calendar year) may be purchased at Water Division headquarters downtown at 1340 Clay Street - cash or check preferred.
  • Lake hours are one hour before sunrise to one hour after sunset.
  • Fishing rules and limits are established by the California Department of Fish and Game.
  • Lake Hennessey is a municipal water supply.  Users must observe the full list of Fishing Regulations.

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