no
napa river is located in what state
The Napa River walk is one of many.
Dams - yes, locks - no
it has 17 locks kin total
There are no locks along the Amazon River. The river is mostly navigable due to its depth and width, allowing vessels to travel its entire length without the need for locks.
Any navigable river will have locks, regardless of which country it is in.
17
there are 29 locks and dams
The locks on the River Thames are used to manage water levels, control the flow of water, and assist boats navigating along the river. They allow boats to move between different sections of the river that have different water levels, preventing flooding in some areas and ensuring a consistent depth for navigation.
The Charles River is Fresh water but has traces of salt from the locks the separate the river from Boston Harbor. When the locks open and close very little salt water gets into the river, but all in all, it is fresh water.
locks of Germany
There are a total of 18 locks between Vienna and Budapest on the Danube River. These locks facilitate navigation along the river, accommodating the changes in water levels. The stretch includes locks on both the Austrian and Hungarian sides, ensuring a navigable route for various vessels.