Haritsuna Shrine is a holy place where the spiritually minded meet to pray. Enjoy a few moments of reflection, or respectfully observe others in worship.
You're spoiled for sightseeing choice when in Inuyama. Haritsuna Shrine is a great place to kick off here, but there are plenty of other worthwhile attractions to experience. Inuyama Castle, Meiji-mura, and Japan Monkey Park are not far from the sacred place and will fill in your day nicely.