noun
crossing a river; river crossing
Refers to the act of crossing a river, often on foot or by vehicle. Can also imply a journey or route that involves crossing a river.
この先の川越えは危険だから、橋を渡ろう。
Crossing the river ahead is dangerous, so let's take the bridge.
旅の途中で何度も川越えをした。
We crossed rivers many times during the journey.