MAL001
Location: 34.94438, -108.1069
Just past the signs in the toilet-equipped parking area, start following rock cairns, man-made rock piles that mark much of this route.
MAL002
Location: 34.94494, -108.1046
The sharp edges of the lava rocks can tear through shoes, clothes--and dog's feet. Wear rugged boots and leave your dogs at home if you're tackling this hike.
MAL003
Location: 34.9450597, -108.1015742
About 0.3 miles west of the trailhead, turn left at this signed junction toward Four Windows Cave.
MAL004
Location: 34.94574, -108.1013
This mapped route bears right and crosses a natural bridge at this signed junction. This 0.4-mile out-and-back leg takes you to the far side of this route's mapped loop, so if you'd like to shave time and distance from this route, continue north at this signed junction instead. You'll still pass Four Windows Cave on the cross-country section of this route.
MAL005
Location: 34.9455654, -108.0988115
Follow the edge of the collapse to the left. Look for a cairn and sign marking the easiest path to the 50-foot entrance of Four Windows Cave. Small "windows" above the cave entrance create micro climates of delicate green mosses in the damp overhang. After exploring Four Windows, backtrack from here to the trail junction Near Big Skylight's entrance.
MAL006
Location: 34.9460359, -108.1011128
After the detour to Four Windows Cave, turn right to follow the trail along the south side of this large collapse. Within 100 yards, you'll hit this spot offering relatively easy-access to the Big Skylight Cave entrance. Large blocks from the cave ceiling make this a more difficult cave to penetrate. Continue north from here 0.2 miles to Caterpillar Collapse.
MAL007
Location: 34.94871, -108.0989
There's a sign marking the boulder-filled depression of Caterpillar Collapse that formed when a tube ceiling gave way. This route follows the edge of the collapse south from this point.
MAL008
Location: 34.94738, -108.0991
Reaching the southern end of the Caterpillar Collapse, you'll begin following cairns south toward Four Windows and eventually Seven Bridges. It is easy to loose the trail, be prepared to do a little extra walking as you pick your way across the lava fields.
MAL009
Location: 34.94584, -108.0986
The southbound leg of this loop skirts Four Windows. If you already visited the cave continue heading south along the cairn-marked edge of the collapse. If you skipped the out-and-back earlier, turn right, cross the natural bridge and explore the cave before continuing.
MAL010
Location: 34.94263, -108.0976
This loop's southernmost point is the edge of a large collapse called Seven Bridges--a series of natural bridges span the trench and give the feature its name. This point is also the end of the southern branch trail, turn right and follow cairns along Seven Bridges back toward the end of this route's 1-mile loop. The trail to the parking area turns left 0.25 miles from this point.
Seven Bridges Sign
Location: 34.94267, -108.0976
The area near the sign contains 7 natural bridges.
Few trails exist in the rugged volcanic landscape of El Malpais National Monument. Though cairns (and occasional signs) mark the highlights of this route, pick up a brochure at the trailhead, be prepared to practice route-finding skills, and pay attention to trailside features to avoid getting lost. If you plan to venture into any of the caves, be careful to avoid damaging microclimate mosses near the cave entrances and bring 3 sources of light.
This loop begins heading west from the Big Tubes Trailhead 0.3 miles to a junction that marks the beginning of the main cave and collapse area. There are three main branches of the trail and this route heads out-and-back on the middle branch and then makes a clockwise loop connecting the north and south branches with a southbound 0.5-mile cross-country trek.
Four Windows (on the middle branch) is the most easily explored of Big Tubes’ cave entrances, but there are easy-access points to Big Skylight (near the trail junction), Catepillar Collapse (on the north branch), Seven Bridges Collapse (on the south branch) and many of the smaller trenches flanking this route.
-Mapped by Christina Frain
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