Jeff Yelek – Sasquatch Investigator in Northern Colorado

Colorado Bigfoot Researcher JeffJeff is a native of Colorado, is married with two sons, and has a deep interest in Colorado history.

He loves hiking, fishing, photography and video. Horticulture and Forestry Management were his main subjects of interest in school.

Jeff has been interested in Bigfoot since a young age and never knew how or where too go learn more about the phenomenon. Being a part of S.I.R., Jeff thinks we can come up with some of the answers to this Mystery that is Bigfoot.

Here’s some of my Bigfoot research articles:

This Colorado Sasquatch Investigations of the Rockies Field Report comes from Jeff and Theresa Yelek. Jeff and Theresa went up to their area for a one day, one night stay. While out hiking they found this very cool stick structure made up with 17 sticks. This is a remote area with caves and overhangs. They […]

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Colorado Bigfoot Research Field Report 12-31-13

by Michael on January 18, 2014

This Colorado Sasquatch Investigations of the Rockies Field Report comes from Jeff Yelek. While investigating a new area we found some new and some old breaks. We had previous reports from about this area, so we drove up, hiked around and found this break. It was located in the surrounding area of this tree break. […]

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Colorado Bigfoot Research Field Report 07-08-13

by Michael on December 13, 2013

This Colorado Sasquatch Investigations of the Rockies Field Report comes from Jeff Yelek. This evidence is from a area Jeff and Theresa frequent in Northern Colorado.We have found a number of tree breaks and fence posting in this area.These can be found along the left side of a game trail in the area we frequent. The […]

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Day 2 of the SIR Christmas stories from Jeff Yelek

by Michael on December 22, 2012

Many knowledgeable and honorable people in the field in the Bigfoot world know that you can only show or try and prove about 5% of the things that happen. Evidence is difficult to obtain, but that doesn’t mean it didn’t happen. Our 12 days of SIR Christmas stories will share some of our best experiences. […]

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Sasquatch Research Field Report 11-11-12

by Michael on November 21, 2012

This Colorado Sasquatch Investigations of the Rockies Field Report shows a series of pictures that Jeff & Theresa Yelek took on November 11, 2012. Jeff & Theresa Yelek went to a new location in Central Colorado to check for signs of our friends.We found a lot of different signs along with maybe a new sign […]

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Sasquatch Research Field Report 10-21-12

by Michael on November 5, 2012

This Colorado Sasquatch Investigations of the Rockies Field Report shows a series of pictures that Jeff & Theresa Yelek and Jon & Robin Roberts found while driving to look at a new location. A structure found by Theresa Yelek. In the same location she did see something in the distance run on two legs very […]

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Foot Print Found Near Pikes Peak Colorado

by Michael on November 10, 2011

On this Sasquatch research expedition, S.I.R. Investigator Jeff Yelek found these prints. These photos were taken by Jeff on a recent outing on Monday November 7, 2011,. . Jeff and his friend Ron were investigating a recent report about a possible Sasquatch sighting on a highway crossing near Pikes Peak, Colorado The footprints show the mid […]

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