GeoFunTrek Tours is a custom tour company in the Black Hills. Our mission is to design and deliver tours that are unique, intimate and emotionally fulfilling. Based out of Keystone near Mount Rushmore, we specialize in tours and unique experiences for those who want more than the traditional choices. The Black Hills and Badlands region in South Dakota is a special place rich in natural beauty, history, culture and mystery. We take your mind, body and soul to places that few get to experience.