Aalo (formerly known as Along) is the headquarters of West Siang District. Aalo is situated in a picturesque valley at the confluence of Sipu and Siyom rivers against the backdrop of verdant hills and is one of the oldest towns with a strong educational setup. Some places of tourist attraction here are the Patum Bridge over Yomgo River, Museum, tribal villages such as Darka, Kabu, Paya etc. The place is also popular for trekking, hiking and angling. It is also gate way to Menchuka a small town (sub-divisional headquarter) located in a picturesque valley near the Indo-Tibet border. During winters, one can get great views of the snow-clad mountains and snowfall at Menchuka.