Muhu

Muhu, archipelago and island, Estonia, separating the Gulf of Riga from the Baltic Sea. The archipelago’s three main islands are Saaremaa, the largest, in the south; Hiiumaa in the north; and Muhu, the smallest, in the east nearest the mainland. Navigable straits separate the islands from each other and from the mainland. Ferries serve the archipelago, and a causeway links the road networks of Saaremaa and Muhu islands. Muhu island is composed largely of limestone...