The trip started with a drive to County Road 506 approx 20+ miles south of Alamogordo, NM. Once on the 506 it's approx 35-40 mile out onto the Otero Mesa and south to the mountain.
The Mesa is a large expanse with seemingly never ending roads.
The mountain is not marked and there are no signs leading to it or the parking area. So part of the adventure is finding it as there are many roads leading around the mountain. While attempting to find the parking area (which I had only heard of) I stumbled across this structure, it was in the shap of a W with 2 distinct rooms, again no signs or info on what it was, just at the base of the mountain.
I finally stumbled across the parking area and was feeling better (almost gave up)
Once at the parking area, you walk toward the mountain a through a small opening in the fenceline. Once through the fence there is no trail or signs leading the way, you just hike toward the mountain and begin exploring until you start to run across the Petroglyphs. It was quite a hike to the first ones, I won't tell you how to find them, as that is part of the adventure. Below are the ones I ran across, I was pressed for time so only checked out the ones in this area. There are approx 10,000 Petroglyphs on the mountain and only 10% have been documented.
The Petroglyphs are approx 150-300 years old and were left here by the Tigua Tribe of the Ysleta del sur Pueblo. More information on the subject may be found here: http://www.oteromesa.org/otero-mesa/history-of-otero/tigua/
View from the site north across the Otero Mesa to the southern Sacramento Mountains.
View to the west across the Mesa.