Youth Hostels Association of India (YHAI), AP State Branch, will organise a national Seshachalam Trekking Expedition-2010 to explore Thumburu Valley of Tirumala Hills from January 24.

Interested persons can register their names for the six-day camp. They can contact Ch. Ravipal on mobile no. 94412 47066 or 93911 44968 for details.