Suwa Shrine is a sacred place where spiritual souls meet to pray. You can do the same, or respectfully observe others in worship.
You'll soon see why this Shibata sacred place is a hit with travelers. If you're searching for more to do and see here, Shibata Castle, Kikusui Sake Brewery, and Nikotan are in the area too. They won't take long to reach from Suwa Shrine.