|Scottish Gaelic name||Clàr-Innis|
|Meaning of name||flat island|
|OS grid reference|
|Island group||Loch Lomond|
|Highest elevation||13 m|
|Sovereign state||United Kingdom|
The island lies just east of Inchcailloch, is approximately 1 km SW of Balmaha, and measures 450m NE to SW by 200m at its widest point. The island is flat: just 13 m at its highest point. (The word clàr refers to a flat surface, such as a board or table.) From above, the outline of the island bears a remarkable resemblance to a fish.