Approximately 40 percent of the town area is forest and mountains, with a portion within the borders of the Kuroyama Prefectural Nature Park.

Saitama Prefecture Moroyama has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall.

Moro village was created within Iruma District, Saitama with the establishment of the modern municipalities system on April 1, 1889.

Also in 1939, the author Saneatsu Mushanokoji founded Atarashiki-mura, an agricultural commune, which he intended for form the nucleus of a utopian settlement.

Road paving and housing developments in the early 1960s brought urbanization, population growth and change to areas previously devoted to mulberry fields.