Here are some more:
Shasta County (Ca):
Whiskeytown National Recreation Area (NPS) $5.00, or $13 for Golden Age Pass for the rest of your LIFETIME (!!!). Also reduces many other public ramps to 1/2 price.
Shasta Lake- U.S. Forrest Service- $6.00 / day.
Bridge Bay, other private resorts- $10.
Sacramento River, Redding and below- Free.
California Delta:
Rio Vista Municipal Ramp- $5.00
Delta Resort-$10.00
Sacramento Valley/Foothills/ Mountains:
New Hogan Lake (Army Corps of Engineers)- $4.00.
Lake Amador Resort- $6.00.
Eagle Lake- Free. (Spalding Tract).
etc., etc..
Joe.