See a glacier, a lake and a waterfall all in one place! During our Alaskan cruise aboard the magnificent Disney Wonder we decided to visit Mendenhall Glacier on our own. It turned out to be an affordable and hassle-free adventure that exceeded our expectations. Let's dive into the details! The Mendenhall Glacier is 13-mile-long glacier located inside Tongass National Forest and is truly incredible. The glacier ends at Mendenhall Lake where you can watch it calve into the wat