Areas of Critical Environmental Concern

As defined and authorized in the Federal Land Policy and Management Act of 1976 (FLPMA), an Area of Critical Environmental Concern (ACEC) is an area within the public lands where special management attention is required to protect and prevent irreperable damage to important historic, cultural, or scenic values, fish or wildlife resources, or other natural systems or processes, or to protect human life and safety from natural hazards.

Currently, the Monticello Field Office manages seven ACECs.

Alkali Ridge
 scenic, habitat, cultural

Indian Creek

3,908 scenic

Lavender Mesa (Mesa Top only)

649 relict vegetation

San Juan River

4,321 scenic, clutural, fish and wildlife, natural systems and processes, and geologic features
Shay Canyon
119 cultural

Valley of the Gods

22,863 scenic

Map of ACECs in Monticello

Click to Enlarge Map