I don???t hike anymore but an Estes Park resident I know has published a hiking book on Rocky Mountain National Park, where you will of course see plenty of elk. <a href="http://amzn.to/ZROA5E">http://amzn.to/ZROA5E</a> She is the go-to-person on hiking in the Estes Park area and her book is a wealth of knowledge.