The Pech river is located in Afghanistan

Afghanistan

Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...

. The Pech River system is fed from glacier

Glacier

A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

s and snow

Snow

Snow is a form of precipitation within the Earth's atmosphere in the form of crystalline water ice, consisting of a multitude of snowflakes that fall from clouds. Since snow is composed of small ice particles, it is a granular material. It has an open and therefore soft structure, unless packed by...

 from the Hindu Kush

Hindu Kush

The Hindu Kush is an mountain range that stretches between central Afghanistan and northern Pakistan. The highest point in the Hindu Kush is Tirich Mir in the Chitral region of Khyber-Pakhtunkhwa, Pakistan.It is the westernmost extension of the Pamir Mountains, the Karakoram Range, and is a...

 to its north. The river rises in central Nuristan Province and proceeds south and southeasternly through the center of Kunar Province

Kunar Province

Kunar is one of the 34 provinces of Afghanistan, located in the northeastern part of the country. Its capital is Asadabad. It is one of the four "N2KL" provinces...

, joining the Kunar River

Kunar River

The Kunar River is about 480 km long, located in eastern Afghanistan and north-western Pakistan. The Kunar river system is fed from melting glaciers and snow of the Hindu Kush mountains....

 at the provincial capital of Asadabad

Asadabad

Asadabad may refer to:* Asadabad, Afghanistan, capital of Kunar Province* Asadabad District, district of Kunar Province, Afghanistan* Asadabad, Jalilabad, Azerbaijan* Əsədabad, Azerbaijan* Asadabad, Iran, in Hamadan Province...

. The river includes numerous tributaries forming valleys on both sides of the main river. These include the Chapa Dara, Waygal, Korengal, Watapur and Sharyak.

In the Pech Valley, Pashto as well as Askunu language

Askunu language

Askunu is a language of Afghanistan spoken by the Askunu, Sanu, and Gramsana people in the region of Pech Valley around Wama, northwest of Asadabad in Kunar province...

 is spoken. The Safi

Safi Clan

Safi is a major branch of the greater Gharghasht Pashtun tribe, originating in the Kohi Safi district of Parwan province, and also makes up majority in the Pech Valley of Kunar, Afghanistan. Safi clans are said to have inhabited mainly region Kunar Province. Currently Safi tribesmen are all around...

 tribe of Pashtuns are the majority population in the Pech Valley. The largest settlement is Nangalam, located at the junction of the Pech River and Waygal River.

There are a series of US bases along the river valley in Kunar Province, the largest of these being Camp Blessing, located near Nangalam. In 2008 a paved road from Asadabad to Nangalam was completed along the north bank of the Pech.