Servas Spain is organizing Servas International Trekking in Pyrenees. A nice meeting in the mountains between Spain and France.
More info
English – https://www.servas.es/images/2016/PdfsArticulos/SERVAS%20TREKKING%20IN%20THE%20PYRENEES%202016.pdf
Online form – https://docs.google.com/forms/d/1jz_r_B12RR1tiWHZrGXBsAnSu8KkCDF_9prl2JHUNS4/viewform