The Glen Hotel.
Glen House became the island's first hotel in 1928 and among its first guests were the Aran Islands writer Liam O'Flaherty and his wife, on their honeymoon. A Church of Ireland church (built in 1875) was located nearby but fell into disuse after the departure of John Stoupe Charley, and was demolished.
Charley founded the island's first school in FBI an Ghabhann in 1852.

Old Mill (18th-century)
At the top of the ferry pier at Leadhb Gharbh. The quernstone from the mill is now on the Glen Hotel lawn.

The Old Courthouse.
Built at Fál an Ghabhann (Fallagowan) around 1855.

The Old Graveyard
At Trá an Chaisil in the south of the island was given to the islanders in 1725 to bury their dead following the tragic drowning of nine people on their way to a funeral on the mainland. A new graveyard replaced it in 1895, on the far side of the bay.

Uaimh an Áir
(Cave of Slaughter) is located at Uillinn in the south of the island, near a prehistoric promontory fort Local lore has it that a Cromwellian captain called Conyngham slaughtered 70 women and children who had taken refuge here in 1641.

Mass Rock.

&Aacure;rainn Mhór & Beaver Island Memorial
Loch an Chomhlnaigh. Several hundred emigrants from Arainn char settled on Beaver Island in Lake Michigan, USA, after the famine in 1851 , and both communities still exchange visits. Arcing char is now twinned with Beaver Island. The memorial was built in 2000.

The lighthouse
At Rinawros Point, was first built in 1798. Donegal's first lighthouse, it was rebuilt in 1865 and was manned by keepers until fully automated in 1976. Rock arches and sea caves can be seen nearby.

The Old Coastguard Station (derelict)
Is located adjacent to the lighthouse lot. It was burned down during the Civil War in 1922.

Loch an Chomhanaigh (Cowan's Lake)
Was named after a land steward who had a house there. The lake serves as the island's reservoir and it is one of the few lakes in Europe where rainbow trout breed naturally (they were introduced from Canada in the early 1900s).

Cnoc an Iolair ('hill of the eagle') (750ft)
is the island's highest point. White-tailed Sea Eagles bred here in the past.

Cliffs
up to 120 metres high all along the west and north coasts of the island.

Visit three of the island's lovely beaches at Leadhb Gharbh (ferry pier) and at Athphort and Tráigh an Chaisil on the south coast.

Na Trí Mic Ó gCorra (The Three Stags).
Three sea-stacks situated to the north between Toraigh and Árainn Mhór. In mythology they are said to be a pagan sister and two brothers who were turned to stone by St Colmcille as they leapt into the sea at Toraigh in an attempt to swim to Árainn Mhór or the mainland.