I watched Black Noon, since someone recommended it in the other thread for a horror/western.
Pretty good occult film, with a great supporting cast (Ray Milland, Hank Worden, Gloria Grahame, Henry Silva).

Reminded me that there's another made-for-TV western from the 70s that has a supernatural/horror slant to it, The Hanged Man (1974)

Also a Spanish horror/western, Hot Snake (1978). It shows a lot of real snakes being killed though, so avoid it if you don't like animal cruelty in films