Basic Park Information National Park Maps A Quick Overview Map of Yellowstone “Bear-grizzly-LamarValley_NPSNealHerbert_680” "A grizzly bear in Lamar Valley in Yellowstone. Photo by NPS Neal Herbert | NPS Neal Herbert" Share this Facebook Icon Twitter Icon Email Icon Join Yellowstone National Park Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Join Yellowstone National Park Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Photo: NPS Neal Herbert