El Cocuy trek starting this weekend- anybody?

Hi folks, I'm now in Bogota and I plan a trek to Sierra Nevada de Cocuy (amazinglu beautiful part of the Colombian Andes). It's 12 hours away from Bogota and the full vuelta takes about 6 days with guide (on altitude of 4000-5000 m). I plan to be at the starting point (the small town of El Cocuy) on Friday and possibly start the trek on Saturday. The thing is that I'm solo-traveller and the trek with guide will be expensive for me. If some of you also are in the area and are interested, please let me know so we can group and lower the expenses.
...either send me a private message or email on piferion@gmail.com