Pemada Canyon Arch, San Juan County, New Mexico
Photo by Larry Beck
NABSQNO 13S-247545-4075190. Pemada Canyon Arch is a cave natural arch eroded through San Jose Formation sandstone. It is located in Pemada Canyon, about 9 miles east of Aztec, San Juan County, New Mexico. Access is via a complex of mineral exploration roads (dirt) stemming south from highway 173. The arch has a span of about 20 feet.