High Force A most impressive waterfall especially after a period of wet weather. Here the River Tees plunges 21 metres over an outcrop of the Whin Sill dolerite which overlays softer sandstone and limestone layers which become undercut below.
<a rel="nofollow" class="external text" href="https://www.geograph.org.uk/profile/32242">Andrew Curtis</a>
From <a rel="nofollow" class="external text" href="https://www.geograph.org.uk/photo/1295229">geograph.org.uk</a>