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Lava Falls Trail Stop #3
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New Mexico
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Lava Falls Trail Stop #3
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<h2>McCartys Crater </h2> <p>All lava erupts from somewhere, and in the case of the lava you are standing on, it erupted erupted from McCartys Crater. The crater had been a cinder cone volcano, which is the same feature as El Calderon within El Malpais and Wizard Island in the middle of Crater Lake National Park. “Had been” is used because the current McCartys Crater is much shorter than before. <br /> <br /> To see its remains, pretend you are standing in the center of a clock. Now, look in the direction of what would be 11:00. A line of boulders and rock rubble lines the middle horizon. If you are looking at the flat-topped ridges in the far distance, you are looking too far. <br /> <br /> As a lone, vertical feature in fields of jagged lava, McCartys Crater was viewed as a remote-enough practice target for training air pilots. The cinder cone and the nine square miles around it were bombarded with practice and live bombs for ten months. <br /> <br /> Despite two major unexploded ordnance removal projects, there are likely still unexploded ordnance in the area closest to McCartys Crater. If you see something, take note of GPS coordinates if able, safely leave the area, and immediately let a park ranger know. </p>
Lava Falls Trail Stop #2
~0 min drive
<h2>The Ground is Lava</h2> <p>Flowing lava creates different features and textures as it flows over, around, and under older, cooler lava flows. Gas bubbles trapped in the rock caused some areas to expand upward and outward. The speed and temperature of other lava flows cau…
Lava Falls Trail Stop #1
~0 min drive
<h2>Hawaiian-Style in the High Desert</h2> <p>You will be hiking on is some of the youngest, if not the youngest, lava in the region from this point on. The McCartys lava erupted between 1,200 and 3,900 years ago. When compared to the Cretaceous-era sandstone cliffs you drov…
Lava Falls Trail Stop #7
~0 min drive
<h2>Pockets of Life</h2> <p>Lava does not always stay the same when it stops moving. As lava is exposed to outside air, it begins to cool. As lava cools, it contracts or shrinks, cracks, and sometimes falls apart. Rock may break apart and fall if there is nothing below a rock…
Lava Falls Trail Stop #9
~0 min drive
<h2>Connections Over Time</h2> <p><br /> The McCartys flow may be young by geologic standards, but it is old enough to be included in human history. It is very likely that ancestors of today's Acoma Pueblo, Zuni Pueblo, and Navajo Nation all witnessed the McCartys eruption.<br…
Lava Falls Trail Stop #8
~0 min drive
<h2>Wilderness: A Tricky Value to Define</h2> <p><br /> Most of El Malpais National Monument, including this trail, is managed as wilderness. Managing wilderness is a balance between maintaining an untrammeled and undeveloped area in a way that prevents future damage while als…
Lava Falls Trail Stop #6
~0 min drive
<p>Although lava rock does not have many nutrients for plants to use, the McCartys lava creates a reservoir of precious water plants need to survive. Water trickles through the cracks of the rock and collects beneath the lava while still protected from the intense sunlight and…
Lava Falls Trail Stop #5
~0 min drive
<h2>Hot Gases Rise</h2> <p>Although you are slightly downhill from McCartys Crater, the inflation ridges around you might look like the opposite. However, these ridges formed from the lava rising up, rather than tall, thick lava flows flowing down. <br /> <br /> Lava can hold…
El Calderon Lava Trench
~26 min drive
<p>Along the trail to the cinder cone, look for a deep, winding trench that begins at the mouth of the cinder cone volcano up ahead. This trench was created by a river of lava that breached the side of the cinder cone and swept cinder and lava several miles to the southeast. L…
Life on the Edge
~27 min drive
Lava, though it may seem harsh and inhospitable, can create some unusual habitats. One of these habitats is actually found just along the edges of lava flows. Known as the "edge effect," dense vegetation seems to thrive along the lava's edge. Scientists hypothesize that rainwa…
Double Sinks
~27 min drive
<p>The El Calderon trail passes precipitously between two deep pits called Double Sinks. These steep collapses are about 80 feet (24 m) deep and were formed where the roofs of lava tubes collapsed. They are home to owls, squirrels, and ferns. In fact, delicate ferns can be fou…