The long Aalo – Mechuka old suspension hanging bridge is one of the attractions of Arunachal Pradesh over the River Siyom. Mechuka is a small village cuddled up 6,000 feet above sea level in West Siang District in Mechuka Valley. It was used for its strategic military landing strip during the 1962 Indo-China War. The beautiful picturesque Mechuka Valley is almost 500 km away from the state capital city Itanagar and it is about 29 km away from the Indo-Tibet border. The nearest town from Mechuka Valley is Aalo town which is almost 180 km away. Mechuka is one of the most attractive and picturesque destinations in the state of Arunachal Pradesh. This place of Arunachal Pradesh is known for its religious and historical significance. Mechuka is also known as Menchuka, which is made of three words: “Men” means "medicinal", “Chu” means "water" and “Kha” means "ice" in the local language. The melted water flows here from the snow-capped peak is believed to have medicinal values. In simple it is known as medicinal water of snow in the local language. The Mechuka valley is mainly inhabited by four main tribes, namely, Memba, Ramo, Bokar, Lingbo, and Tagin. The suspension hanging bridge over Siyom River is one of the most well known and famous hanging bridge though there are a number of the traditional hanging bridge which are usually used by the locals for crossings over rivers and streams in Mechuka Valley. The Yragyapchu River which meanders around the valley gives ample opportunities to try crossing one of these traditional bridges. The view from the bridge is mesmerizing; the water under the bridge is totally a reflection of the blue sky. Standing on the edge, when you see the last sun-rays before leaving the valley, the untainted views of the valley, with the swinging bridge and the river Siyom looks like a beautiful dream. One can cross the hanging bridge with the help of two iron rods on both sides which can be used for support to cross over. It is extremely captivating to look at from far, but walking on it is not an easy task. It is a bit scary task to walk on those wooden plank bridges over the swelling river but the visitors will really enjoy the view and the beautiful places in Mechuka Valley.