Hayden Valley
Hayden Valley is a large , sub-alpine valley in Yellowstone National Park straddling the Yellowstone River between Yellowstone Falls and Yellowstone Lake . 
<triplet> Hayden Valley <subj> Yellowstone National Park <obj> location <subj> Yellowstone River <obj> located in or next to body of water <triplet> Yellowstone National Park <subj> Yellowstone Lake <obj> has part <triplet> Yellowstone Falls <subj> Yellowstone River <obj> part of <triplet> Yellowstone Lake <subj> Yellowstone National Park <obj> located in protected area