El Calderon Area (El Malpais NCA, NM-53 west side)
New Mexico
Lava tubes, a cinder cone, and a bat cave sit on the quieter west side of El Malpais, reached off NM-53 rather than the NM-117 side most Route 66 travelers already see — this is the Continental Divide Trail/West Malpais Wilderness access point, a genuinely different face of the lava field.
Why Roamward picked it
DO NOT STAGE YET. Included only to document the gap and the reason it's currently unfillable — the NM-53 side of El Malpais is real, free, and distinct from the promoted NM-117 batch, but the specific trailhead is mid-closure.
Sources
Hours, admission, and access change — confirm with the official source before you plan the detour.
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