England, Northumberland, Northumberland National Park. Harthope Linn, a secluded waterfall in the Harthope Valley near the Scottish Border.

England, Cumbria, Lake District National Park. Rapids on Aira Beck, near the shores of Ullswater.

England, Cumbria, Lake District National Park. Rapids on Aira Beck, near the shores of Ullswater.

England, Cumbria, Lake District National Park. Aira Beck above Aira Force, a powerful body of water near the shores of Ullswater.

England, Cumbria, Lake District National Park. Aira Beck above Aira Force, a powerful body of water near the shores of Ullswater.

England, Cumbria, Lake District National Park. Aira Force is a powerful body of water near the shores of Ullswater.

England, Cumbria, Lake District National Park. Aira Force is a powerful body of water near the shores of Ullswater.

England, County Durham, High Force. The River Tees cascades down the High Force waterfall in County Durham.

England, County Durham, High Force. The River Tees cascades down the High Force waterfall in County Durham.

Scotland, Scottish Highlands, Laggan. Waterfalls on the River Pattack near Loch Laggan.

England, Cumbria, Lake District National Park. Stream running into the Thirlmere Reservoir

Scotland, Scottish Highlands, Cairngorms National Park. Water falling over boulder in a river located in the Rothiemurchus Estate.

England, Northumberland, Hindhope Linn. Hindhope Linn, a cascade along the Blakehope Burn in the Kielder Forest Park near Blakehopeburnhaugh. Hindhope Linn is located near Bryness Vilage within the Northumberland National Park.

England, Northumberland, Hindhope Linn. Hindhope Linn, a cascade along the Blakehope Burn in the Kielder Forest Park near Blakehopeburnhaugh. Hindhope Linn is located near Bryness Vilage within the Northumberland National Park.

England, Northumberland, Hindhope Linn. Hindhope Linn, a cascade along the Blakehope Burn in the Kielder Forest Park near Blakehopeburnhaugh. Hindhope Linn is located near Bryness Vilage within the Northumberland National Park.

England, Northumberland, Hindhope Linn. Hindhope Linn, a cascade along the Blakehope Burn in the Kielder Forest Park near Blakehopeburnhaugh. Hindhope Linn is located near Bryness Vilage within the Northumberland National Park.

England, Northumberland, Hindhope Linn. Hindhope Linn, a cascade along the Blakehope Burn in the Kielder Forest Park near Blakehopeburnhaugh. Hindhope Linn is located near Bryness Vilage within the Northumberland National Park.

England, Northumberland, Hareshaw Linn. Detail shot of a cascade of water, part of the Hareshaw Linn waterfall.

England, Northumberland, Hareshaw Linn. Detail shot of a cascade of water, part of the Hareshaw Linn waterfall.

England, Northumberland, Hareshaw Linn. Detail shot of a cascade of water, part of the Hareshaw Linn waterfall.

England, Northumberland, Hareshaw Linn. Detail shot of a cascade of water, part of the Hareshaw Linn waterfall.

England, Northumberland, Hareshaw Linn. Detail shot of a cascade of water, part of the Hareshaw Linn waterfall.

England, Northumberland, Hareshaw Linn. Hareshaw Linn is a spectacular waterfall located in a steep sided gorge, which continues to flow through a wooded valley. Hareshaw Linn is located near Bellingham within the Northumberland National Park.

England, Northumberland, Hareshaw Linn. Hareshaw Linn is a spectacular waterfall located in a steep sided gorge, which continues to flow through a wooded valley. Hareshaw Linn is located near Bellingham within the Northumberland National Park.

England, Northumberland, Hareshaw Linn. Hareshaw Linn is a spectacular waterfall located in a steep sided gorge, which continues to flow through a wooded valley. Hareshaw Linn is located near Bellingham within the Northumberland National Park.

England, Northumberland, Hareshaw Linn. Hareshaw Linn is a spectacular waterfall located in a steep sided gorge, which continues to flow through a wooded valley. Hareshaw Linn is located near Bellingham within the Northumberland National Park.

England, Northumberland, Hareshaw Linn. Hareshaw Linn is a spectacular waterfall located in a steep sided gorge, which continues to flow through a wooded valley. Hareshaw Linn is located near Bellingham within the Northumberland National Park.

England, Northumberland, Hareshaw Linn. Hareshaw Linn is a spectacular waterfall located in a steep sided gorge, which continues to flow through a wooded valley. Hareshaw Linn is located near Bellingham within the Northumberland National Park.

Scotland, Scottish Highlands, Eas Chia-aig waterfall. Detail shot of the Eas Chia-aig waterfall.

Scotland, Scottish Highlands, Corrieshalloch Gorge and Falls of Measach. The Corrieshalloch Gorge is a spectacular mile-long gorge created by the River Droma which has carved the canyon by eroding through hard metamorphic rock.

Scotland, Scottish Highlands, Rogie Waterfalls. A cascade of Peat coloured water at Rogie Falls, near Contin.

Scotland, Scottish Highlands, Rogie Waterfalls. A cascade of Peat coloured water at Rogie Falls, near Contin.

Scotland, Scottish Highlands, Cairngorms National Park. Mountain stream near the Cairngorm mountain in the Cairngorms National Parl.

Scotland, Stirling, Loch Lomond and the Trossachs National Park. Arklet Falls and Sniad Burn near Inversnaid during Autumn.

Scotland, Stirling, Loch Lomond and the Trossachs National Park. Arklet Falls and Sniad Burn near Inversnaid during Autumn.

England, Cumbria, Lake District National Park. River Duddon and storm clouds above the Little Stand and Ulpha Fell.

England, Cumbria, Lake District National Park. River Duddon and storm clouds above the Little Stand and Ulpha Fell.

England, North Yorkshire, North York Moors National Park. Thomason Foss waterfall near Goathland in the North York Moors National Park.

England, North Yorkshire, North York Moors National Park. Thomason Foss waterfall near Goathland in the North York Moors National Park.

England, Cumbria, Lake District National Park. Aira Force is a powerful body of water near the shores of Ullswater. A circular walk follows both sides of the falls with a picturesque stone bridge providing the means to cross the 70ft dramatic drop of the water.

Scotland, Scottish Borders, Ettrick Water. A rocky stretch of the Ettrick Water, surrounded by a pocket of woodland.

Scotland, Scottish Borders, Hermitage Water. Trees on the banks of the Hermitage Water.

Scotland, Scottish Borders, Liddesdale. Detail of a fast flowing stream found in Liddesdale.

Scotland, Scottish Borders, Liddesdale. Liddel Water flowing through a bridge in Liddesdale.

Scotland, Scottish Borders, Cardrona. A public footbridge crossing over the Kirk Burn in the forest of Cardrona.

Vietnam, Northern Vietnam, Sapa. Cat Cat Falls, a waterfall in Cat Cat village near Sapa.

Vietnam, Northern Vietnam, Sapa. Cat Cat Falls, a waterfall in Cat Cat village near Sapa.

Vietnam, Northern Vietnam, Sapa. Cat Cat Falls, a waterfall in Cat Cat village near Sapa.

Vietnam, Northern Vietnam, Sapa. Cat Cat Falls, a waterfall in Cat Cat village near Sapa.

Vietnam, Northern Vietnam, Sapa. Cat Cat Falls, a waterfall in Cat Cat village near Sapa.