Ikaho Shrine is a sacred place where the spiritually minded meet to pray. You can do the same, or respectfully observe others as they worship.
This sacred place is located in Shibukawa, a destination that has plenty of things going for it! Ikaho Onsen, Mount Haruna, and Bukkohosui Temple are other fine sightseeing options not far away when you've finished up at Ikaho Shrine.