rectangular badge with a snow covered mountain in the middle with a red dragon on one side and the number 100 in blue, red and yellow on the other, blue trefoil in middle of mountain, the words Girlguiding Caernarfonshire celebrates the centenary 1910 – 2010 written in red above the mountain and the words Geidiad Sir Gaernarfon dathlu yr camlwyddiant 1910-2010 written at the bottom of the mountain in red