Uesugi Jinja Shrine is a holy place where the spiritually minded gather to pray. Take a few reflective moments yourself, or respectfully observe others as they worship.
This sacred place in Yonezawa comes recommended by many travelers, so put it on your travel itinerary. However, don't end your sightseeing there. There are many more attractions waiting for you to appreciate after Uesugi Jinja Shrine. Yonezawa City Hall, Takahata Winery, and Matsugasaki Park are not far away.