Start with a stroll along the seafront and harbour, then follow the sand toward Tywyn. The beach runs for miles, with dunes appearing farther from the village. On the water, the local character is active rather than ornamental: sailing, rowing, kayaking, kite-flying, fishing, and boat trips are all part of the scene. The jetty is a good place to watch the tide and boats, but leave room for working and safety operations.
The southern side of the estuary is part of Dyfi National Nature Reserve and the wider Dyfi Biosphere. From Aberdyfi, scan the water and mudflats for waders and seabirds; in the wider estuary, lucky visitors may see otters, porpoises, dolphins, or ospreys. Wildlife is a bonus, not a guarantee, and binoculars help.