What's the noun for fords? Here's the word you're looking for.
ford
A location where a stream is shallow and the bottom has good footing, making it possible to cross from one side to the other with no bridge, by walking, riding, or driving through the water; a crossing.
“We decided to take our kayaks to the ford and explore the shallow waters of the river.”
“Vaporous evening light dapples with shadows the descent to the ford as the path runs through tree-roots and, among the tree-roots, reeds and dangling ivy-trails edged in silver light.”