The river itself, a source of prey for the cats. It follows a gorge that comes to a waterfall (Druid's Leap), then continues through the plains. RiverClan cats can swim through it, but there is also a Twoleg bridge that makes crossing safe when the water is high.
Sunningrocks is located at the very border between RiverClan and ThunderClan in the forest, next to the river. It is a large, flat rock formation in full view of the sun, getting very warm, therefore, it is a desirable location for warriors to take a break or elders to get out and stretch their legs. Its sheer side shadows the river. There is an abundance of prey near by.
RiverClan claims the southwestern part of the region, on the right bank of River Chell. Their territory consists of open plains, and their camp is on a large, well-drained island, surrounded by reeds, that can be reached only by swimming.