When you come to the Black Hills and Badlands you can see the sights on your own and not know what you have missed, or you can go with GeoFunTrek Tours and not miss a thing!  We are the LOCAL EXPERTS who offer exceptional tours for those want more than the usual voyage.  Enriching and enlightening experiences are our strength and our guests receive tours that only we can provide.

At GeoFun Trek Tours you always get the A-Team - because that is who we are!

We have earned a 5-star rating on TripAdvisor, read our exceptional reviews. Click on the "About Us" tab for more information.

In these uncertain times your safety and comfort are our primary concern.  When you choose to travel, GeoFunTrek Tours offers Private Tours for you and your family.  Call us for more information.

Call: (605) 430-1531

John’s History and Qualifications

John’s History and Qualifications

Owner / Tour Operator

John is a natural-born tourism professional.  He has been traveling most of his life and sees no reason to slow down now.   He was born and raised in New Jersey; has a BS Degree in Education from the University of Idaho; taught school in Alaska; worked at Rushmore Cave in the Black Hills for 25 years; was a National Park Service Volunteer at Mount Rushmore; worked in paleontology at the renowned Black Hill Institute of Geological Research, and is a presenter for the area Road Scholar organization specializing in Black Hills Geology.  He can explain the area’s history and resources in ways that fun, understandable and exciting.  His skill set includes: local history, geology, paleontology, natural history, Cowboy Poetry and possesses a top-notch presentation style. 

Born and raised in New Jersey, at the age of 5 he decided that when he grew up, he would move out west.

  • 1977, graduated from the University of Idaho with a B.S. Degree in Education.
  • 1977 – 1981 taught high school and middle school in Alaska.  There he indulged in numerous outdoor activities including fishing, sailing, backpacking and mountaineering.
  • July 1981 he left Alaska on a sailboat bound for Hawaii.
  • 1982/3 attended the University of Hawaii where he met Cindy.
  • 1983 – 2008 Jumped into the tourism business at Rushmore Cave with Cindy and her family.  Married Cindy in 1984, and over the years they started a family, built a home and created a life in the Black Hills.
  • 2008 sold the business and started a three year sabbatical in paleontology at the prestigious Black Hills Institute of Geological Research, Inc.
  • 2010 started teaching a class called “Black Hills Geology and You” for a local Road Scholar program.
  • 2011 John took all that he knew and loved to do and started GeoFunTrek Tours.
John Esposti