Afon Glaslyn, where currently tidal, up to Pont Croesor

Tree, track, stone wall and field.

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Trees, track and a fence post with Post-it note attached.

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Trees, gorse with Post-it note attached.

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Trees, field and fence post with Post-it note attached.

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Tree trunks, bracken, wall and a tree with Post-it note attached.

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Wall, lane, trees, one of which has a Post-it note attached.

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Lane, dead leaves, laurel bushes, one of which has a Post-it note attached.

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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. The what3words reference for the more recent photos follows the numbers.

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