Afon Glaslyn in Nantgwynant

Track, road, woodland with with Post-it note attached to a tree stump.


Lane, hedge, field, mountain and fence with Post-it note attached to a fence post.


Trees, road, car, lay-by, traffic cones, verge and telephone pole with Post-it note attached.


When all the ice on earth melts, the average level of the sea will be around 200 feet higher than it is now. The Post-it notes in the photos mark where a road or other public right of way crosses the 200-foot contour in the Afon Glaslyn catchment.

The numbers under each photo are date and Ordnance Survey grid reference in the form: yyyymmdd_easting-northing.

Back to the ‘When all the ice melts’ blog post.