Jarmo went further on our search in Vihti, and found some small roof caves.
I had taken the shorter, upper route and he took the lower route. The forest here is pretty thick, and it had been rainy, so going through the lower parts of the hill was quite a lot of wet work :-)
See more caving stories at Planetcaver.net, and all Planetskier and Planetcaver stories at Blogspot and TGR! See also my cave map that runs the Psgeo software that has now been open sourced! For this article the text is by Jari Arkko, but pictures are (c) 2020 by Jarmo Ruuth. All rights reserved.