Public Boat Ramps on Lake Hennessey, California

We currently track 2 verified public boat ramps with access to Lake Hennessey in California, all located within Napa County. Use the map and ramp listing below to compare launch fees and access details.

2 Boat ramps
1 County
No free ramps confirmed yet
Napa County Top county (2)

Map of Lake Hennessey Boat Ramps

Compare every public boat ramp on Lake Hennessey in one map. See where each launch is located, compare access points, and choose the most convenient place to get on the water.

Boat launch locations on Lake Hennessey

Browse every verified launch site we've published on this waterway, with fee information, nearby towns and access details.

Lake Hennessey Near Rutherford · Napa · Napa County
Lake Hennessey Recreation Area Near Rutherford · Napa · Napa County

Current Conditions

Check the latest weather forecast and available water quality information before heading out. Depending on the location, one or both data sources may be available.

Current weather

57°F Clear

Wind N 3 mph

Full NWS forecast · via National Weather Service
Last updated Aug 27, 2026 at 2:34 PM

Frequently asked questions

The questions people ask most often before launching on Lake Hennessey.

There are currently 2 public boat ramps on Lake Hennessey in California.

We haven't confirmed any free ramps on Lake Hennessey yet - check the fee badge on each listing for the latest status.

Napa County has the most, with 2 public boat ramps on Lake Hennessey.