Complex sentence: Tamarack Resort is a four-season mountain resort in the Long Valley of west central Idaho that is currently operating only through a series of partnerships with operating companies, which are running its golf course and zip line.
Split into simpler sentences: Tamarack Resort is a four-season mountain resort in the Long Valley of west central Idaho. It is currently operating only through a series of partnerships with operating companies, which are running its golf course and zip line.