United Kingdom

Cairngorms National Park, Derry Dam Bridge, Aberdeenshire, Scotland, United Kingdom (57.07709 -3.60916)

Coordinates: 56.74389 -4.47722 57.41066 -2.79900 - Minimum elevation: 0 ft - Maximum elevation: 4,305 ft - Average elevation: 938 ft

River Don, Yorkshire and the Humber, England, S36 9PZ, United Kingdom (53.48341 -1.30143)

Coordinates: 53.38539 -1.81763 53.69684 -0.86420 - Minimum elevation: 0 ft - Maximum elevation: 2,087 ft - Average elevation: 410 ft

County Wexford, Leinster, Ireland (52.46019 -6.60652)

Coordinates: 52.10863 -7.01781 52.79746 -6.14069 - Minimum elevation: 0 ft - Maximum elevation: 2,576 ft - Average elevation: 187 ft

Snowdonia National Park, A4212, Bangor, Gwynedd, Wales, LL41 4TR, United Kingdom (52.91556 -3.83260)

Coordinates: 52.54163 -4.27871 53.28928 -3.58672 - Minimum elevation: 0 ft - Maximum elevation: 3,452 ft - Average elevation: 564 ft

Dorset, Tullon's Lane, Piddletrenthide, Dorset, South West England, England, DT2 7RX, United Kingdom (50.79683 -2.41463)

Coordinates: 50.51272 -2.96159 51.08100 -1.68167 - Minimum elevation: 0 ft - Maximum elevation: 1,001 ft - Average elevation: 180 ft

River Great Ouse, Cambridgeshire, East of England, England, NN13 5LB, United Kingdom (52.21787 -0.28196)

Coordinates: 51.99420 -1.13668 52.84850 0.39355 - Minimum elevation: -7 ft - Maximum elevation: 1,542 ft - Average elevation: 223 ft

River Tamar, Devon, South West England, England, EX22 7EP, United Kingdom (50.64027 -4.32522)

Coordinates: 50.35916 -4.46354 50.92343 -4.16917 - Minimum elevation: 0 ft - Maximum elevation: 2,015 ft - Average elevation: 328 ft

Irish Sea (53.33251 -5.37142)

Coordinates: 51.37693 -6.64398 55.29212 -3.06381 - Minimum elevation: 0 ft - Maximum elevation: 3,626 ft - Average elevation: 197 ft

Gwent, Wales, NP44 2NY, United Kingdom (51.66667 -3.00001)

Coordinates: 51.02667 -3.64001 52.30667 -2.36001 - Minimum elevation: 0 ft - Maximum elevation: 2,766 ft - Average elevation: 440 ft

Gloucestershire, South West England, England, United Kingdom (51.83333 -2.16667)

Coordinates: 51.57753 -2.68754 52.11258 -1.61520 - Minimum elevation: 0 ft - Maximum elevation: 1,365 ft - Average elevation: 335 ft

Brecon Beacons National Park, A470, Cwm-llwch, Powys, Wales, LD3 8NL, United Kingdom (51.89020 -3.46898)

Coordinates: 51.70208 -3.98959 52.07830 -2.95207 - Minimum elevation: 0 ft - Maximum elevation: 2,796 ft - Average elevation: 669 ft

Wiltshire, South West England, England, United Kingdom (51.25000 -1.91667)

Coordinates: 50.94499 -2.36560 51.70314 -1.48573 - Minimum elevation: 0 ft - Maximum elevation: 991 ft - Average elevation: 344 ft

London, Greater London, England, United Kingdom (51.48933 -0.14406)

Coordinates: 51.28676 -0.51038 51.69187 0.33402 - Minimum elevation: 0 ft - Maximum elevation: 965 ft - Average elevation: 253 ft

North Lincolnshire, Yorkshire and the Humber, England, United Kingdom (53.58974 -0.60232)

Coordinates: 53.45504 -0.95001 53.72446 -0.20034 - Minimum elevation: 0 ft - Maximum elevation: 808 ft - Average elevation: 95 ft

River Cherwell, Oxfordshire, South East, England, OX17 3QP, United Kingdom (51.98062 -1.28249)

Coordinates: 51.74405 -1.33311 52.20882 -1.19580 - Minimum elevation: 95 ft - Maximum elevation: 1,080 ft - Average elevation: 364 ft