In some deserts, yes, there are 'heaps of sand' other wise known as sand dunes.
Heaps :)
Sand, sand, and desert sand
A hill of sand in a desert is normally referred to as a dune
The Arabian Desert is the largest sand desert.
The largest sand desert is the Arabian Desert in Asia.
Sand is on the desert.
Sand is on the desert.
Desert sand originates from the erosion of rocks and minerals in desert regions.
A sand desert ia call an erg.
A ridge of sand created by the wind; found in deserts or near lakes and oceans.
SAND
67% of the Sonoran Desert is covered by sand