Lumerra

Lumerra is a planet that has a rings of orbiting rocks around it, on the planet, there are inhabitants of all sorts that have gotten together to form cities and towns. There is a very deep valley on Lumerra that is all covered by forest, The only way in the valley is by a waterfall because the steep rock faces are too steep for climbing, you would nhave to jump off the waterfall, you could fly by plane, but there is no place to land. There isn't a known way out yet. There are short winters and long summers on Lumerra, so it is relatively warm, creatures often go to Lumerra for a vacation because of it's climate.