History of the Jackson Hole Land Trust The Jackson Hole Land Trust is a non-profit organization serving to protect land in Jackson Hole. The Jackson Hole Land Trust has worked diligently with land owners since 1980 to preserve wildlife habitats and the attractive views of the open space and undeveloped land in the Jackson Hole area. Currently, the Jackson Hole Land Trust has established permanent protection of over 15,000 acres of land, seventy-four percent of the land being ranch area.