Loch Lomond is a freshwater Scottish loch which crosses the Highland Boundary Fault. It is the largest inland stretch of water in Great Britain by surface area. The loch contains many islands, including Inchmurrin, the largest fresh-water island in the British Isles. More at Wikipedia
Friends of Loch Lomond & Trossachs National Park
The conservation and heritage charity for the LochLomond and The TrossachsNationalPark.