El Calderon Trail being renovated to make it more accessible

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El Calderon is one of El Malpais National Monument’s most popular hiking areas with its scenic views and cinder cone volcano.
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Bats soar at over El Malpais National Monument, just south of Grants.
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Bats leave their cave roosts to hunt for food, and when they return, they add organic material to the cave ecosystem by pooping. Bat poop also gets its own special name, guano. Guano in caves provides the basis of the food chain, allowing bacteria and other microbes to grow, which are in turn fed on by insects, who can then be eaten by bigger insects and spiders, etc.
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A stop-action photo shows details of a bat in flight. Bats live in the caves of El Malpais National Monument.
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El Calderon trail in El Malpais National Monument will undergo reconstruction to make it more accessible starting Monday.
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Hikers head along El Calderon trail in El Malpais National Monument before it undergoes a reconstruction project to make it more accessible.
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Contact El Malpais Visitor Center at 505-876-2783 or www.nps.gov/elma.

On Facebook @elmalpaisnps.

The bat flight hikes and the trail at El Calderon area will be on hiatus for 10 months while one of the most scenic trails in El Malpais National Monument is redone to make it more accessible.

El Calderon trailhead will be closed for about 10 months to make it happen, according to an email from park ranger Sarah Puckette. The trail and parking area will close Monday, Aug. 11. The area is where ranger-led bat viewing hikes occur. The last evening bat viewing hike was scheduled for Aug. 9.

During the closure, visitors can visit the north and west side of the badlands during the daylight from other areas, including the Zuni-Acoma Trail on New Mexico 53. National Park Service Road 100 is scheduled to remain open for local traffic; the Continental Divide Trail will remain open for thru-hikers.

The area is scheduled to reopen May 2026 after the construction project that includes improving the first three-fourths of a mile of the trail to bring it within Architectural Barriers Act (ABA) standards. It will be the first ABA-accessible trail in the monument, the email said. The project includes ramps, railings and benches.

“These improvements will make the park’s rocky lava landscape more accessible for all visitors and provide them the opportunity to easily look inside a lava tube cave,” Puckette said in the email.

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