The RiverClan banks are used for training their apprentices how to fish, and of course, a prime fishing spot for themselves. If you head on into the willow woods beyond the banks, there is a small collection of far-spread trees, getting less dense until you reach the open moors - WindClan territory. RiverClan hardly mark this border, knowing the WindClan cats couldn't fish on the bank. But if the WindClan cats did trespass in the night, and manage to cross the log across the river, they would be in a very vulnerable RiverClan camp...