Dates Trekking Routes Area Sep 18 th to Oct 3 th 2008 Poon Hill or ABC Trek (Annapurna Area) Oct 12 th to Oct 26 th 2008 ABC or Poon Hill Trek (Annapurna Area) Nov 1 th to Nov 14 th 2008 ABC Trek (Annapurna Area) Nov 18 th to Dec Annapurna Circuit (Annapurna Area) Booking Open for 2009 Special program offer designed to promote the upcoming "Purna School of Yoga” New date for coming 2009 March 15th 2009 April 2th 2009 May 10th 2009 Aug 25th 2009 Sep 5th 2009 Sep 15th 2009