Boat cruises leave from pier. Castle Sween Probably Scotland's earliest stone castle, built in mid-12th century. Ruins retain their original proportions. Clachan Bridge Humpbacked stone 'Bridge over Atlantic', designed by Thomas Telford 1792, links Seil Island to mainland across arm of ocean. Cornalees Footpaths skirt reservoirs and hill-side channels built 1827 by Robert Thom to serve textile mills.
Visitor centre shows history.
Nature trail to Shielhill Glen with waterfall. Connel Falls of Lora swirl beneath bridge across narrows of Loch Etive. Stained glass in village church depicts bridge and falls. Crarae Glen Garden Rare trees and rhododendrons flourish here. Associated garden centre sells shrubs and trees.