Issue #22989: Poor collision near Morthal
Along the path North of "North Cold Rock Pass" close to the road to Morthal, there's a spot where you can fall into the ground (The collision geometry is very imprecise on this large mesh.) There's also a small gap.
A boulder or some kind of rock or stone with a more precise collision could kill two birds with one stone.
ID of the closest tree: 000A51FF