It is the largest mountain glacier in the world and nobody knows it. This giant and its tributaries make up the water tower of Central Asia. Its waters feed the Amu Darya River, which used to flow to the Aral Sea, but now its waters are lost in the desert. In this region of the world, the issue of water is closely linked to the fate of glaciers. If they were to disappear, millions of inhabitants would be impacted. This discussion will allow us to discover the Pamir glaciers and to better understand the impact of global warming and activity in this little known region of the world.