Here is a web address for the White Mountain Indian Reservation..some very big elk there...and NO fences..

http://www.wmat.nsn.us/

Arizona also has some very large elk ..those are 2 very good states to look into if you are hunting in the US...

Having said that..very large elk are being taken in practially every state that has elk ..including Montana and Utah along with Colorado...

Here is a web address of a guy I know of--from what I know he is trustworthy...

http://www.montanahuntingcompany.com/photos/elk-13.html

Will check into more info for you..

Ripp