Northants News 17.2 Summer 2006

A walk in the Grand Canyon

Trevor Wray

(Please click the images for a better view.)

British tourists, polled for the one holiday place to visit before they died, voted the Grand Canyon in Arizona number one. And how did they describe it? Awesome, awesome and, yes, awesome! However we have a major interest in cacti – is there anything to offer besides the awesomeness of the view?

Above: The South Kaibab Trail leads steeply into the Grand Canyon to a meadow with abundant Spring flowers and cacti.

When anyone visits the American southwest a visit to the Grand Canyon is compulsory. I have now been lucky enough to visit this general area four times and stopped at the Grand Canyon every time. Sunrise, sunset and the evening Ranger presentation are the least you can do there, though I did miss one sunrise on the last visit. (It was 05.20). I must be getting old!

The journey from Williams or Flagstaff, in the south, is the route normally taken I suspect. This is 50 miles so boring the US government puts an information board telling you that the vegetation type is Ponderosa pine forest.

At the Grand Canyon it does not look like cactus country but when you walk along the rim trails or investigate clearings in those pines you will see several Opuntias (prickly pears), Echinocereus triglochidiatus, (claret cup cactus) and Escobaria vivipara. These species probably flower in June at this elevation (6000 feet).

To stand at the top and gawp is fine but to truly appreciate the Canyon it is a good idea to walk into it. Even a few hundred yards down is to see a different world. For a start the California condors (introduced giant vultures) fly above you! Cactus wise the first 1000 feet of descent is not relevant. The cacti of the rim may be present and you may glimpse them, but the cliffs are nearly vertical and to walk off trail risks your life and those below you. After around 1000 ft of descent on both the South Kaibab and the Bright Angel Trails there are picnic areas (and toilets – only in America). I have gone several times past this point on the South Kaibab Trail.

Above: Broad ledge with Echinocereus, Echinocactus polycephalus and Opuntia

Top: Echinocereus triglochidiatus in flower in the Grand Canyon. Below: nearby is a flowering plant of Echinocereus engelmannii.

At about 2000 feet of descent there is a broad flatter area (around Cedar Mesa) which is a cactus paradise, especially in late April and early May. Echinocereus triglochidiatus (with scarlet blooms) and E. engelmannii (with purple flowers) may both be in flower here. Last trip I was able to take a picture with both in flower together. My favourite cactus, Echinocactus polycephalus, also grows here with the best view in Arizona. This is a clustering barrel cactus (polycephalus = many heads) which has yellow flowers in summer. The seedlings seem to have impossibly long spines. Various prickly pears (Opuntias) proliferate here and hybridise. The flowers are yellow and purple in Spring. Agave utahensis sends its flowering shoots up in May and there are also Yuccas.

Remembering that to return to the rim there is a 2000 feet ascent, this a good place to wander and take photos. In Spring there are many wild flowers which would be accepted as true alpines, commonly Phlox and Hymenoxis on the cliffs, Penstemon and Calochortus (Mariposa lilies) on the flatter land. Startling clusters of paintbrush (Castilleja) are everywhere. The challenge is not to find the plants but to find specimens with a view of the Canyon beyond.

The last trip I descended another 1000 feet into the Canyon to the rim of the Inner Gorge. There are some beautiful views here and the Canyon towers above. Awesome! As to the cacti – the extra few miles of hiking produced no new species and it was a long walk back in the heat of the afternoon sun. When I returned to our campsite Sue announced that I must come and see one of those ‘Mammillaria thingies’ along the Rim Trail.

After a cuppa I did, though my knees and hips were feeling the effects of 10 miles of walking in the Canyon. Sue’s plant was an Escobaria vivipara (it used to be a Mammillaria) and there is a huge one near the Visitor Centre, ask the Rangers. However a walk in some nice scenery revealed a cluster that was worth taking a picture.

If you are not fit or do not want the exertion of hiking into the Canyon (though you will take at least those few hundred yards won’t you?) the drive to Lee’s Ferry to the north will produce all the cacti of the Grand Canyon accessible by easy level hiking. A wander over the bare slopes of Kaibab limestone may also reveal Pediocactus bradyi as well. However, although the scenery there is nice, it is hardly awesome but you could take a paddle in the Colorado River.

Escobaria vivipera along the rim of the Grand Canyon.

It’s a long, long walk down the Grand Canyon for that pleasure!

Trev

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