Thursday, June 16, 2011

Knife Edge Trail Bird Hike

During the 2011 summer season Mesa Verde National Park is offering bird hikes on the Knife Edge Trail on Sunday and Wednesday at 7:30 AM. The Knife Edge Trail is one of three trails in the Morefield Campground area.

The Knife Edge Trail is a 2 mile round trip along the north rim and historically was a main road in the park, built in 1914. As a regular hike it emphasizes the plants in the area that were available to the Ancestral Pueblo people. There are also wide views of the Montezuma Valley with the regional mountain ranges visible.

The bird hike is different than other hiking in that the walking is slower and the talking is more in whispers. There is more effort at listening and wide angle awareness to spot movement of the birds. If you suffer from Nature-deficit disorder, bird hiking might be for you.

The Mesa Verde checklist of birds includes 186 species with 78 known to breed in the park. The checklist mentions five habitat types including Mesa Tops, Side Canyons, Deep Canyons, Riparian, and North Rim.
 
The Knife Edge Trail is probably the typical North Rim Habitat where the mountain shrubs include Gambel Oak, Utah Serviceberry, Mountain Mahogany, Cliff Fendler Bush, Chokecherry, and shady spots with Douglas Firs.

The highlight possibility on the hike is Peregrine Falcons along the sandstone cliffs. They have been sighted on some of the hikes but we didn’t see any on the day I hiked.

The birds we did see included Rufous-sided and Green-tailed Towhees, Scrub Jay, Raven, Rock Wren and another wren, maybe the Canyon Wren. There were many high flying birds high above on the cliff tops that were either White-throated Swifts or Violet-green Swallows. One bird we thought was a Yellow-rumped Warbler.
 
The hike is advertised as lasting two hours, but since this isn’t an archaeology sensitive area, you can stay longer even if the ranger has to leave. I stayed on the trail for 2:50 hours, finishing by myself. On the return hike I saw a Western Tanager and a circling soaring hawk with broad wings, probably the Red Tailed Hawk.



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Saturday, June 11, 2011

Oak Tree House on Fewkes Canyon Trail

One of the most eye catching of the several Ancestral Pueblo ruins sites visible from Sun Point is the Oak Tree House. During the summer of 2011, Mesa Verde National Park is offering ranger guided hikes to Oak Tree House and further on to New Fire House and the Fire Temple.

Oak Tree House has about 50 rooms and 6 kivas. The interpretive sign at the Sun Point overlook says that the sloping alcove floor was leveled using retaining walls and fill, and that every available square foot of area was used, including the ledge area above.

The one mile round trip trail begins at the Sun Temple on the Mesa Top Loop. The hike gets off to a fast start with hikers clinging to an installed rope and stepping carefully into carved footholds and descending a ladder to a ledge area. The ledge trail winds around the point under the Sun Temple and Mummy House.
 
Along the way there are views from below toward Mummy House and across Cliff Canyon toward Cliff Palace and Sunset House. Near the tip of the point there is a small seep spring that one of the water sources for this relatively highly populated canyon area.

The trail to Oak Tree House was mostly constructed in 1915 and was improved in the 1930s but has not been used much since then. There were a few hikes here in the 2006 Mesa Verde Centennial year. In the 2010-11 summer seasons some of these rarely used trails have been re-opened on a trial basis to public visits.

The kiva at the right end of the site appears to have been modified into a grain grinding room. Another Mesa Verde site where I’ve noticed an indoor grinding room is Coyote Village on the Far View Trail.
 
There is a lot of soot visible at Oak Tree House. The square opening on the upper left appears to be a well framed window. Most of the small openings that we think are windows are actually doorways, but this one appears to actually be a window.

Oak Tree House is being monitored for structural changes with small monitors that are visible. This device provides data for deciding if any action needs to be taken to stabilize the fragile walls.
 
On the left side of the site, a T shaped doorway is visible near other rectangular doorways. The building dates for Oak Tree House appear to be earlier than many of the other cliff dwelling sites. The dates here are 1184 AD to a construction stop in 1209 AD.
 
From Oak Tree House the hike continues a short distance to New Fire House and Fire Temple (see separate post for Fire Temple). After visiting there we retrace back to the trailhead. The hike is advertised as two hours but is a better experience if it lasts close to three hours.


Fire Temple on Fewkes Canyon Trail

One of the special hikes at Mesa Verde National Park in 2011 visits the Fire Temple and New Fire House in Fewkes Canyon. These side by side sites are visible from Sun Point on the Mesa Top Loop but have not been visited by the public since the 1930s.

The one mile round trip hike begins at the Sun Temple and winds around the point past Oak Tree House and below Mummy House. The hike I was on started hiking at about 8:20 AM and arrived at New Fire House at about 9:45 AM.

New Fire House is a two level structure. The lower level has seven rooms and three kivas. From the trail level, New Fire House is hard to view because the trail is a little below the floor level of the site. From the right side, there is an open area in the back of the alcove with some moisture and plants growing similar to Balcony House and Long House.

One of the possible interpretations of New Fire House is that it was the residence of the persons who were responsible for the ceremonies held at the adjacent Fire Temple. The trail stays along the front and doesn’t enter the site. There weren’t any good views into the kivas.

The upper level has 13 rooms. The overlook interpretive sign says there are foot and toe holds leading to the upper level and that ladders were probably used. There is a good view of the structure to the right of the upper level from below.

The main section of the Fire Temple resembles the floor a great kiva with two rectangular structures and a central circular structure that we usually think is a fire pit. The rectangular structures are often described as foot drums associated with dancing. The large outdoor plaza at Long House on Wetherill Mesa has similar features.

The great kivas at Chaco Canyon have these features as does the great kiva at Aztec Ruins. Early investigator J.W. Fewkes thought that the central fire pit may have been an “eternal flame” due to the large quantity of ashes that were found here. Fewkes saw a connection between this site and current “New Fire” rites practiced by the Hopis that he had spent much time with.

There is a lot of white plaster still intact here. Our group spent some time scanning the plaster for small images. There are two vertical zig zag snake like designs in the plaster but you have to look carefully to see them.

We noticed a large alcove directly across the canyon from the Fire Temple area but couldn’t see any structures. The possible explanation for non use is that this site doesn’t catch as much winter sun, but it is known as a Basketmaker, or early era site.
 
On the left side of the Fire Temple is a room with some pictographs on the wall. The images to the right are unusual and resemble Prickly Pear Cactus with flower buds. There are also some mountain sheep images. An early picture of these images also included some Kokopelli images that are now missing.

We had a discussion of how early visitors to these sites left historic inscriptions, but many of these were later considered to be graffiti and have been removed. It was speculated that the Kokopellis might have been removed for their phallic features.
 
The total hike to Oak Tree House and the Fire Temple took 2:50 hours. The tour is advertised as a two hour hike but the more leisurely 2:50 hour pace was appreciated by our group. In 2011 this hike is being offered May 29 to September 5 on Tuesday, Thursday, and Saturdays for a cost of $20.