A collapsible, portable tree stand assembly for use by hunters, outdoorsmen or a similar user for positioning the user at a suitable elevation above the ground upon the trunk of a tree or similar vertical support. The tree stand assembly includes an extension ladder having an upper and a lower ladder section, a folding frame member adapted to forcibly contact said tree at one end thereof and to be pivotally attached to the upper end of the upper ladder section, a generally planar seat member pivotally attached to the folding frame member, a generally planar foot platform pivotally attached to the upper ladder section below the upper end of the upper ladder section and a folding support strut attached at one end thereof to the foot platform and at the other end thereof to the upper end of the upper ladder section.
