The 7 Arches Kayak Tour is a unique display of caves, sea arches and sea stacks engraved into the coastline through millions of years of coastal erosion. Kayaking along the Donegal Coast to discover the 7th wonder of the wild Atlantic way the 7 Arches with its own private beach and waterfall hidden in plain sight. Spotting dolphins, mink whales, seals, wild minks, sea otters, swans, gulls, herrings and eider duck are spotted often on these tours.