The article describes a riverside walk along the Afon Mawddach in Gwynedd, where the landscape is dramatically altered by the elements. The author notes the effects of heavy rains, cold winds, and intermittent sunshine, which create a striking contrast in autumn colors. Observations include a solitary diving bird, likely a dabchick, and a group of geese seeking shelter. The changing weather patterns are vividly illustrated, with clouds rolling in and out, affecting the light and colors of the surroundings. The experience culminates in the realization that the rain is persistent, prompting the author to seek refuge and ultimately retreat from the elements.