We were at Ina's today, most of Thumbelina was dry but snow had blown in on to the ledge. Also worthy of note, there was a huge (maybe 50cm deep and 1mx2m area) hole opened up right underneath most of the problem, probably due to ground collapse as the roots of the old tree have rotted or something. Someone might put some photos up later. Anyway we filled it all in with a mix of stones and wood then leaves over the top, the landing is fine again right now but it will gradually lower again as the wood rots.
Did anyone get out anywhere else eg Wrights or Gents, how much is dry?