Abstract: A flat folding tree stand system for mounting to a tree may include a platform, tree mounting arms pivotably connected to opposite sides of the platform and extending rearwardly, a cross brace having opposite end portions pivotably connected to the tree mounting arms, a cross brace carriage pivotably connected to a midportion of the cross brace and movably coupled to the platform for forward and rearward movement along the platform and a retainer to selectively secure the cross brace carriage at a forward position with the cross brace in a lower retracted state and a rearward position with the cross brace in a raised extended state.