In Assassin's Creed Valhalla Wrath of the Druids, you will come across Offering Altars. On this page, you will learn where to find these altars. It will make it easier for you to max out the Connacht region.
The offering altar is in the eastern part of the region, near Lake Gara.
You need 5 deer hooves to complete this side activity. You will get them by exploring the world and killing animals living in forests.