The Lair of the White Worm (1988)

 The Lair of the White Worm (1988)

Angus Flint is an archeologist come to dig at the Bed & Breakfast inn run by the Trent sisters, Mary and Eve. Flint discovers some Roman coins and a strange skull, and he learns the local legend of how the D'Ampton family slew the white "worm", actually a snake or dragon. Legend also has it that the lair of the white worm is in Stonerig Canyon, where the watch of the Trent sisters' father shows up a year after both he and wife disappeared near the Temple Mansion. (IMDB bj_kuehl)