Questions tagged [high-altitude]

Questions referring to everything related to mountaineering in higher altitudes (generally 10.000ft+/3000m+) like concerns about your health because of the thin air.

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19
votes
6answers
862 views

What are some proven methods of training for week long backpacking trips at high altitude?

I'm going to Colorado to visit a friend and we will be going on a week long trek across a couple of 14'ners. I'm looking for some ways to help prepare my body for trip.
20
votes
3answers
1k views

What are the real dangers of climbing at high altitude?

I had a campfire discussion not long ago with a man that got pulmonary edema while attempting the summit of Aconcagua, and we got into the discussion of the effects of high elevation. I had always ...
16
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1answer
2k views

Does drinking tea cause problems at altitude?

I've heard from a tour leader that you shouldn't drink tea in high altitude because it makes you thirsty and cause problem in blood circulation. Is this true? Should'nt we drink tea in high altitude?
12
votes
4answers
1k views

Stove/fuel setup for harsh conditions

We already have topics on fuels here and here which give quite an overview. Also REI gives some info how to choose your stove and fuel properly. Still I would like to know what are the best options ...
18
votes
5answers
2k views

Are headaches a bad sign at altitude?

Last weekend, we had a nice hike up Price Peak in the Sierras. We went from sea level to above 10,000 feet (3,000 m) in about 6 hours. And I had a ROARING headache. I could hear my heart beat in my ...
14
votes
3answers
2k views

Training to prepare for oxygen deficiency in the high mountains

I would like to prepare myself for the climb in the high mountains (for now by "high mountains" I mean elevation 4000 m and more, but eventually eight-thousanders). What can I do to improve my ...
15
votes
2answers
3k views

Is it normal for a compass to develop an air bubble at high altitude?

I live in Denver, Colorado. Going above 10,000 ft. (3,000 metre) always results in an air bubble large enough for me to want to tilt the compass to prevent the bubble from interfering with the needle....
19
votes
4answers
8k views

Altitude sickness when going from sea level to 14,000 ft (4,200m) in a single day

My sister lives at sea level -- Baltimore and Chicago. She is coming to visit me in Denver (5280 ft or 1600m). She wishes to climb Mt Bierstadt (14,065 ft or 4200m) the same day she arrives. I have ...
12
votes
3answers
470 views

Case example on Altitude Mountain Sickness: How to detect and react properly?

I know the theory behind effects of high altitudes on the human body is not entirely understood and because of cross-influence it is a difficult topic. It's not an exact science. Having said that I ...
18
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2answers
7k views

For how long afterwards do we benefit from acclimatization?

Consider we are trying to pre-acclimate for an expedition in Himalaya to shorten the actual timespan on site. As an example, I am expecting a benefit if I go in the Alps for several days above 4000m ...
8
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2answers
248 views

How do you diagnose severe altitude illness?

If someone is feeling bad at high altitude, how do you tell if their condition is so severe that it threatens their life unless they descend immediately?
4
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2answers
233 views

What affects the acclimatization process? [closed]

We know we need "Climb High and Sleep low" to prevent Altitude Sickness. Now the question is what can affect the acclimatization process? Example: Bring luggage/bag/etc when climbing high. Will ...
28
votes
3answers
1k views

What can I do to prevent altitude sickness?

I will be going above 15000 feet (4500 meters) on a trip next month, and I've heard people will often get altitude sickness. Is there anything I can do beforehand to prevent sickness or take while I'm ...
5
votes
1answer
5k views

Venomous/Semi-Venoumous Snakes at Higher Altitudes

When we camp in rainforests or even country side forest, we are supposed to be very careful about Reptiles, especially Snakes. In India out of the many venomous snakes, I have found Pit Vipers to be ...
13
votes
2answers
1k views

Walking through a Thigh-high snow

I have far less experience in trekking where there is snow. I believe walking through snow and through ice are two different techniques. Is there some sort of safe technique to walk on such snow ...
11
votes
2answers
492 views

Acclimitization: Would 20 min at an “oxygen bar” deliver more than an ephermal boost to a healthy person?

My last trip was just a hiking trip, so I stayed at a hotel. For $35, the hotel offered 20 min at their "oxygen bar". I was tempted, but did not succumb. I didn't have a headache, or feel nauseated,...
32
votes
4answers
10k views

What do mountaineers eat and drink on the day of an Everest summit?

I was watching Everest (2015) on the weekend and was wondering what the mountaineers do for sustenance on the day they attempt to summit. It appeared they left around midnight, aiming for a 2pm ...
24
votes
3answers
446 views

A little bit of acclimatisation or no acclimatisation at all?

This summer I'm planning to mount my first 4000 m mountain in Switzerland. So far I only got around 3300 meters while hiking and had no problems. However 4000 meter an above is definitively a ...
8
votes
1answer
4k views

Taking Aspirin in higher altitudes

Reading this answer and especially the comments leads me to questions: Should one use Aspirin in high altitudes? Should one use it as a precaution or only when actually getting headache or other ...
8
votes
1answer
416 views

Is “altitude” an absolute measure of air “thinness”?

I am wondering if altitude is the only thing you need to know in order to evaluate the "thinness of air" at certain point on Earth. For instance, will climbing a 6000 m peak in the Andes or a 6000 m ...
11
votes
2answers
287 views

How to begin in alpine tours

I know it's probably too risky to make alpine tours alone, especially when you go over glaciers. I joined DAV to be insured while in the mountains and to be able to use the offerings like courses and ...