[1] Deertrap Mountain is composed of white Navajo Sandstone and set on the east rim of Zion Canyon.

Pine Creek originates at Deertrap, and the North Fork of the Virgin River drains precipitation runoff from this mountain.

[1] It is believed that the Paiute drove mule deer onto the mesa here, trapping them for food.

According to the Köppen climate classification system, it is located in a Cold semi-arid climate zone, which is defined by the coldest month having an average mean temperature below 32 °F (0 °C), and at least 50% of the total annual precipitation being received during the spring and summer.

This desert climate receives less than 10 inches (250 millimeters) of annual rainfall, and snowfall is generally light during the winter.