Plomosa Benchmark

Yuma BLM


Click for map.

I'm out to get another couple peaks. For today, the plan is to go after the high point of the Plomosa Mountains north of Plomosa Road. It's not a very extensive plan. I'll just go along the paved road to the east side where there are just a few foothills between a lot of flat and the mountain, then find a place to park. Head over the hills to a mine at the base of the mountain, then turn and climb. On the way back, there could be more along the mountains to explore. Turns out, Quinn Pass is an easy place to park and even has a road going my way. I know that's where I am because there is a sign to tell me that Thomas Quinn made his home just north of here and prospected the area and, importantly for those who came after he was forced to move to the city by old age, built a cistern for water.

dirt road heading north at Quinn Pass
Easy access for the 2WD. The road becomes steep on the far side making it unwise to travel even with high clearance.

So I gather up my gear and head north. Distinct trail heads off to the left and I check it out. Maybe it heads off to this cistern that is supposed to have survived long after the cabin was gone. It isn't a promising direction and just goes up the bump and stops. There is a claim marker, but nothing else there. Just over the hill, a very distinct trail crosses the road. I check right, which goes up to a bunch of prospects and then back down the road.

over the hill to northerly views of mountains and flats
Getting over the hill does give an overview of the hike. A few more hills, some flats, and then that peak in shadow out there toward the right.

wiggly ocotillo beside a distinct trail
Following distinct trail past a very wiggly ocotillo to a lot of holes in the ground.

If I keep checking what lies down these trails, I'll never get anywhere. I leave the left side track to its own devices and start down the road. I am quickly suspicious I should have taken the left track which might have been the more gentle walk for the mules that served the prospects once. The road goes steeply and directly down the hill while the trail takes a more leisurely pace, but it never seems to come back. Once down the hill, there is another, small one, but then it is flat desert with occasional washes to cross. It is easy travel. I gradually notice that there are other roads running parallel to the one I am on. It swaps onto a close one when it hits a particularly deep and narrow wash, but otherwise they are just mysterious tracks. Claim markers are frequent as are short ditches made by a bulldozer.

mostly flat road across the desert
Just a bit of easy travel on one of the area dirt roads.


post and a quick gouge out of dirt
Claims are everywhere because people think it might make them rich, but why has someone rammed some earth upward with a bulldozer?

The road I am on turns off to the east and up ahead is a road that goes to the mine. I decide to just cut it cross country. I'm walking and I can do that after all. Travel is a little more difficult without a road to follow, particularly at the washes, but the sheep tend to show a way that is not too bad.

red knolls in front of a gentle peak
Getting closer to the peak. The mine is up in the red rocks ahead.

red ocotillo flowers
Ocotillo are leafing out and a few flowering. This one seems to think flowers are more important.

I follow the steep road up into the red rocks by the mine. The area appears to have been scraped with a bulldozer. Below, there are piles of tailings and a few holes visible. There are more holes up in the rocks and a claim marker tucked into the space below a massive balanced boulder. Definitely a mine once.

mines in the wash
A few holes in the rocks below.

stout post and rock wall in the space under a supported boulder
A post and a rock wall. Maybe someone thought the post would do them some good if the supported boulder came down instead of being another claim marker.

The rise in land gives me a good spot from which to look over the route up to the benchmark at the nearby high point. Washes run off the side all over. It is basically a matter of picking a rib of land, walking over to the bottom of it, then starting upward. I can't help but notice that the hill side looks really quite green. I pick a wash a couple to the north and start down a faint old road that once took a more sensible route up to the mine than the current one, then pick my way over the rocks up and down and up again. Then on to the easy and steady climb. The hill side is green because of the multitude of tiny flowers growing on it.

daisies of all sorts
Flowers coming out. Yellow composites and tiny daisies, minute phacelia, and miniature yellow things are getting going. A few of the jumping cholla are budding too.

minerature yellow
A bit of yellow much much smaller than its own leaves.

phacelia and a blurry daisy of minerature proportions
Some of the phacelia. The blurry daisy might be as big as a thumb.

looking back to the mine on the way up
Weaving through the teddy bear cholla and looking back to the mine on the way up. Diamond shaped Ibex Peak in the distance looks an interesting one.

dark points of rock in the flats
Some random little hills out in the flats.

holes in the rocks
A distinct keyhole sits on the ridge far to the south.

I picked a rib of land that had fewer cholla and not much in the way of rock outcrops so it is a simple walk up to the top. Oddly, there are no trails on it. I have started to expect trails on anything easy to walk. Hitting the ridge at the top, there is still a little way north to go before the high point and benchmark.

top of this bit of the world
Getting to the top where surveyors have left their mark. Below to the north, the high point knob of Four Peaks.

And of course its a good spot to be, full of mighty vistas. The distant clouds form and vanish and roll past. So do the close ones. They are quite unsettled.

west side view is very flat indeed
Down the west side it is a little steeper before flattening out for miles.

everywhere
A little bit more than all the way around. The hill and wash at the edges repeats. (Click to get it huge.)

I have thoughts of wandering the ridge southward, but take a moment to read through the reach a little curious where the azimuth might be. It's a rather confusing thing that goes north and west to get to a peak northeast of the starting point, but a second entry seems to indicate I have followed it just about exactly and the azimuth is somewhere down by the mine on a small rock or a small knoll 100 feet south of a bladed road. I really should remember to read these things before. Now I'll have to go back the way I came to find it. I head south along the ridge for a little bit anyway.

the other peaks on this line
The rest of the Plomosa Mountains off to the south.

The going quickly gets less attractive, so I turn toward the closest of those ribs of the mountain. I'm pretty sure I'd rather go back to the one I came up on, but of course this one is here now, so I start down it. The sheep like it. Their droppings are everywhere and I didn't see any on the way up. The teddy bears are everywhere too. Cholla is just too close for comfort at multiple moments. At least the sheep have generally managed to keep a corridor open so there is a way that doesn't involve barbed spikes. Barely.

close growing cholla
Close growing cholla and a rocky outcrop that could require climbing make this a less attractive route to me, but the desert bighorn sheep seem to like it.

I make my way toward the biggest outcrop of red rock I can see, although there actually are a few candidates out across the plain. This is still the reddest. I come around the back of it to find a bunch of shallow caves, some quite large, that I had missed before. I stop by them to look in, then up the back to the top.

shallow caves in the rock
Overhangs and caves in the west side of the rock. There is always a little more to see than one pass will show.

Not up there. The birds sure like the two highest points and they are white with droppings. Okay, so there are clues that it is not the highest. Come up to the mine on a bladed road to the end of truck travel, but driving up the ridge a little north will get you closer before the end, exactly like I hiked. I try to flip the reach around. The azimuth comes before the parking spot. There seems to be nothing there. I go down to the reddest area where the rocks are so broken up that anything placed there would have been destroyed. Maybe I should give up. I work back along the road to places that should be before the end of truck travel. There is a red, well, bump really, north of the road. A sort of composite rock that seems to have a piece of slate, maybe, balanced up on some rock edges. A little twisted and battered, it is the azimuth. It may be north of the current road, but it is about 100 feet south of that faint old road with the more sensible view of how roads should climb hills.

Plomosa azimuth mark
Successful hunting for a poorly described azimuth mark.

So what is next to strike my fancy? Well, off to the south fairly directly is another section corner. I go for it although they are starting to feel like a gimmie out here. Along the way, I fall into a track that looks at first like more sheep trail, but there is something wrong with it. The choices it makes are a little odd and there seems to be a second trail just like the first running parallel. Parallel tracks are 4 wheeled vehicles, but this one is much wider than any I have ever encountered. One guy said you can still find General Patton's tank tracks out here. The treads would have to be rather thin, but maybe. I give up the trail as it swings off in a random direction that does seem rather tanklike it its disregard. Maybe.

could be tank tracks
I'll find at least a little confirmation in a few days that these could be WWII era tank tracks. There's nothing much to erase them here.

I pass another road climbing up into the hills to prospects, then cross a deep wash that would not have been nearly so deep had I let the sheep lead me across a ledge. There are all manner of claim markers on the way with one more marking the corner like a witness post as I close in on it. This one was set in 1953, so not nearly so old as the ones I have been finding.

Ibex Peak and Haystack
Meanwhile, Ibex Peak has come out into the light for a better look. The 200 foot contours touch each other at one spot on the map of this peak. Haystack is on the left.

So what next to strike my fancy? A bit to the east it says "mine" with a bit of road to it out in the middle of the flats. At first I find myself following some claims that were marked with green posts. They usually come in sets of two, but then there is a bundle of four. Corners for claims run up against each other. Sometimes 300 feet by 1500 feet just isn't enough. It is next to a "bladed road" so unused it has massive cholla growing down the middle. Then I follow a wash on to the mine.

Paymaster Mine is so much rumbled white dust
Arriving at the mine. The ground here has clearly been churned up, but there is not much to see.

Claim markers identify it as Paymaster and a number for each segment. There are at least 28 segments. Paymaster sure sounds hopeful. It's not quite what I was hoping for, so I push on in the same direction into the hills toward a couple tunnels marked "adits". These are much more like it. I come over the hill to see a big hole in the side and tailings all around it. Near it are more holes, some going in funny directions, and all quite deep.

claim and tunnel
A pile of rocks marks a claim on the left and there is a deep tunnel in the middle.

One layer of the rocks they weren't interested in glitters in the sun. A layer of lime above their interest shows interesting crystals. And of course, there is the big hole to go exploring. There is little rock litter on the floor, but I can't quite bring myself to go wandering. I wouldn't want to be the one to bring it down. I wouldn't want to be looking up and step into a shaft, either.

road to the north
Road that serves the mine coming in from the north. Looking again at Four Peaks toward the right.

into the tunnel
The tunnel goes in a long way, at least longer than I've generally found.

A bit of road passes by the mine. It seems to get rougher as it goes south. Maybe it once served this mine, maybe it just happens to be on easier ground. It is probably time to turn back, so I follow it south toward the road. There are more mines along the way. Ever more claims. Just so many claims. Everyone seems to want to rocks to make them rich.

caves and a tunnel
More caves along one rock wall except that one at the left is actually a tunnel with tailings in front of it.

After some gentle ups and downs, I can spot the road by the Smart Car zipping past. The road gradually turns away toward the east as it approaches and eventually I just leave it to cross a wash and to back west. It is a half mile back up to the pass and my car.

scattered hills
A few hills to make my way back through. The road leading down helps give a path.




©2019 Valerie Norton
Written 16 February 2019



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