This building site in Alpine above the Salt River offers panoramic river, mountain and valley views. Today’s Jackson Hole real estate activity: NEW: Ponderosa Village 2-bed, 644-square-foot condo built in 1976, listed by Jackson Hole Sotheby’s International Realty for $330,000. NEW: Elk Run 2-bed with Flat Creek frontage built in 1994, listed by Jackson Hole Real Estate Associates for $709,000....