The river, swelled by the late rains, was deep and turbulent and only fordable at certain places.

Between us and the wood ran a deep donga with a river only fordable in places flowing through it.

It was only fordable at one point, as they all knew, because they had, of course, already crossed it before.

He therefore takes a great number of them, and brings them to a great stream, which was very deep, and only fordable at one place.