Abstract: A combination two-piece tree stand includes a climbing platform and a locking element. The two components interlock to fasten the components to one another and to add substantial stability to the individual components. The stand includes a generally horizontal platform havig a notch portion for engaging the tree and a band for surrounding the tree in a known configuration. The locking component includes, in the preferred embodiment, a pair of legs insertable into a portion of the platform which converge to engage the tree at a location above that of the platform. A cross member between the legs is fastened, e.g. by a strap, rope or web, to a component of the platform to draw the locking device downwardly toward the platform and urge the converging portion of the legs into tighter engagement with the tree. Substantially increased stability results from the arrangement disclosed herein.