Two High-Altitude Considerations


| 5/18/2015 10:36:00 AM


Tags: high-altitude living, altitude sickness, Bruce McElmurray, Colorado,

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When we bought our land in the mountains we looked to see if it would accommodate building our home and only gave it a casual glance. There were other things that we should have noticed but failed to. As it turned out they were no big problem for us but just a small annoyance over the years. When we came out from Pennsylvania to examine our land we only had a short time and truthfully we did not know what to ask or look at anyway. We observed the obvious but overlooked some important elements which we should have noticed or given closer attention too.

As we were building our home we never were at our property in the early spring. When we moved to our new home full time we noted things that should have been more apparent had we been more observant. It is important to look at the contour of the land for small gullies or water routes when the snow melts and run off begins each spring. We have two springs that flow all year long but we did not know about the disappearing springs that only last for two or three weeks. We would now know more of what to look for.

Our home is situated at 9,750-foot elevation and the mountain top is at 10,500 feet according to our USGS map. From the back of our property the mountain ascends at a more steep incline. The top of the mountain is an accumulation of loose shale and regular country rock that makes walking across loose rock hazardous and tricky. While it is only a 750-foot increase in elevation from our home to the top it takes a good hour to make the strenuous climb. Coming down takes about half as long and is easier. The loose jumble of rocks seems to serve as a naturally filtered drain for higher snow melt. I believe the water from the seasonal springs on our property comes from that snow melt at the higher altitude. Since we all know that water flows down hill it ultimately ends up on the up side of our driveway. As can be seen in the photo our driveway is nothing short of sheet flow that comes from the snow melt at the higher elevation and then percolates down to our level.

We believe the two year around springs come from the aquifer which our geologist well driller says runs the entire length of our mountain. Those come up from below and hence run all year as opposed to the disappearing springs that only run for two or three weeks each year. During that two or three weeks our driveway is nothing short of continuous sheet flow and we try to stay off it as much as possible. The disappearing springs or seeps appear suddenly and are gone just as suddenly. They do not run every year but we have noticed that when we have a normal or heavy snow year they do run with regularity. One year one of the disappearing springs ran so forcefully that it shot out of the ground a foot. That was the year that the hydraulic action of the water ended up washing a 1 ½’ deep trench across our driveway as opposed to the normal sheet flow.

If you check your proposed mountain property and see what appears to be a water route then it probably is where water flows. Most people look at their property in the summer when it is more accessible and fail to consider 200 to 300 inches of snow may have previously been on it over the winter months.




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