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29

In the corridor zone (where you are planning) you are only allowed to camp at designated campgrounds, which are secured on a reservation basis. If they are full, of the options you list, 2. Pray hard a permit is available when I show up is your best bet. The park leaves a percentage of permits unreserved for the main corridor (which includes the Bright ...


18

Although black clothing absorbs radiation from the sun more than white clothing, this is somewhat offset by the fact that it also emits it more efficiently. Good absorbers are also good emitters. If you're standing in dark shade and the objects in your environment are cooler than the temperature of your clothing, then black clothing will theoretically cause ...


18

I led extended backpacking trips in Grand Canyon country for several years, and we required everyone carry at MINIMUM a gallon (almost 4 litre) per person per day -- which adds up. (Though rarely did we plan trips that did not have dependable water sources within a day's walk, meaning we would start and end the day with bellies full of water.) Different ...


18

I would call it a reasonable risk to camp in the desert without a tent (but with a tarp available if it was to rain!). I've "cowboy" camped 40 or 50 nights in the desert and never had any company try to join me in my sleeping bag :) That being said, I would heartily recommend shaking out your clothes and shoes before putting them on in the morning. In the ...


17

There's a reason desert cultures almost all wear coverings from head to toe. Three main things to consider: Protection from the sun's harmful rays. Air flow for convection cooling Moisture retention (you heard that right) for evaporative cooling. Despite the convention, "cotton kills," in the desert those same properties (slow drying, water retention) ...


17

Black robes are worn predominantely by Bedouin tribesmen. A scientific paper has been written on this Why do Bedouins wear black robes in hot deserts? article in journal Nature. This is summarised quite neatly here. To cut a long story short: "It seems likely," the scientists wrote, "that the present inhabitants of the Sinai, the Bedouins, would have ...


14

Despite the convention, "cotton kills," in the desert those same properties (slow drying, water retention) are useful for keeping you cool by slowing down the near instant evaporation experienced at such high heat and low humidity. Your goal is to make that moisture work as long for you as possible. Since "water is 24.5 times more conductive than air," (...


13

Hiking in the desert? As much as you can carry! I tend to prefer packing more water than less, and especially in a desert area where if something goes wrong, your access to resupply is very limited. You can lose up to two quarts (almost 2 litre) of water per hour hiking in the desert in middle of the day, but you can only absorb around one quart (almost one ...


12

As an update, I arrived at the canyon on May 13th. They had precisely one open slot and thus I was able to hike down to Bright Angel one day, and back up the next. A rim-to-river in a day is doable, but hard. For a first timer, it is definitely worth overnighting and going back up. Especially during May, hiking between about 11 - 3 is really uncomfortable. ...


12

I think you already answered your own question. Most dedicated GPS devices are more rugged, have better battery life, and don't require a data connection to work well. A phone has a lot of power overhead and is fragile. There are a few possible advantages to a phone. If you're already going to be carrying one, it reduces the total weight required. It's ...


10

I have always been advised to be in bright/light colours during the trekking expeds in regions which are known for bad sun. Everybody knows that Black clothing absorbs more heat(radiation). The lighter you wear, the lesser heat you attract(radiation). Now there is a point rightly said above that the darker colours will emit it faster as well, but the ...


10

Most GPS receivers in phones work not nearly as good as stand-alone GPS devices. Usually, one wouldn't notice this because phones use assisted GPS where they get the orbital data and/or almanac of the GPS satellites as well as the exact time from the GSM network. Also, they have a average position of the device. Without that data, phones are very slow ...


8

There are two types of water-based concerns while doing strenuous activity in the desert: dehydration and hyponatremia. Dehydration occurs when your body is not getting enough water, and is the most common. Symptoms include irritability, headache, lack of energy, bright yellow/orange and infrequent urine. You lose water while you sweat, but in hot climates ...


8

There are several concerns Rodents. Unlike the eastern US, rodents in the West are much more likely to carry Hanta virus and Bubonic plague. These are not common, but unlike the Eastern US, they are also not unheard of. Scorpions. Scorpions in the east are a minor annoyance. Some of the Western ones kill. Wild Horses. Again, unheard of in the east, ...


8

You'd be better of strength training your muscles to carry the extra weight of the water you need to carry. How much water an individual needs to stay hydrated is not a standard measure. Different individuals need more or less water to keep their bodies properly hydrated. I don't think it's necessarily wise to try and train your body to do with less of ...


7

Hold up two pieces of cloth in front of the sun, one black and one white, and see for yourself which passes more light. Dark cloth can be very thin and still block light effectively. Re-emission of energy from darker colors may be a little faster but I think other factors (see below) are much more significant. And don't kid yourself into thinking people ...


7

Large tents are generally not an issue in campgrounds, although finding a large enough flat piece of ground may be. The more likely problem you'll face is maximum stay restrictions. Be sure that you check the requirements before making your decision, because having to move your camp every couple of weeks will dramatically change the setup you want. I ...


6

Long sleeve, breathable, wicking fabric. Failing that, long sleeve, ultralight and blousy (loose to allow lots of airflow).


6

The other answers have great information. I would add some specifics that I have learned from living and backpacking all over Arizona and the white mountains for most of my life. Don't have everyone pee on the same rock/place at night. It will dry out and the salt can attract deer. If they get brought in to camp for the salt, they might smell something else ...


5

Your blood and body need sodium, potassium and various other solutes in order to function (without the correct potassium levels, your heart will start to fail etc) In a hot country, where you may sweat a lot, and top up your liquids by drinking water, you lose these solutes quite rapidly. The quantities you require are generally a lot higher than you might ...


5

To add to what others have mentioned, reptiles do indeed go into hibernation, but not in the thought of "traditional" hibernation, such as that of a bear or other mammals. Reptiles usually do burrow down, but they can certainly be awoken. Here in the southeast, if the temperatures rise just a bit, we have plenty of snakes and lizards around sunning ...


5

I use Timble GPS Hunt Pro on my Samsung Galaxy S5 phone. You can download topo, BLM boundaries, private property and other types of maps that work just fine without a cell signal. The maps I use are incredibly detailed. If you do have cell coverage, you can add weather overlays. Map prices are reasonable, and you can buy a subscription that lets you ...


4

I live in the northeast US, but have done a bunch of hiking in the desert of AZ and NM. Big animals aren't really the problem. Most everything like that will run away from you. Camping with bears around is something you have to think about, but that is not really different from New England. In fact, you're quite unlikely to bump into a bear in the desert....


4

A lot of the cooling effect of sweat comes from evaporation so it is debatable whether wicking vs non wicking is better in hot dry conditions. Having said that in very hot and low humidity environments it may be a moot point. One area where it may make a difference is if you are wearing a large pack, in this case sweat can build up under the straps and ...


4

Adding to what Don Branson said, Try not to dismantle or peep into a pile of stones, small cracks. With reference to :"During winter, do most of these reptiles go in some sort of hibernation, or can some/many still be found and seen during the day where there is some sun?" What I've observed is, It is most likely that you may come across a snake/serpent ...


4

For your situation I strongly advice against relying on your phone. It's a great backup but to much of a risk to use as a main device. Three reasons to get a dedicated gps: Batteries: A gps mostly works on standard AA batteries which can be bought anywhere and rechargeable ones are easily charged on solar energy. (look up goal-zero for instance). Rugged:...


4

Let's go through the different aspects of phone versus dedicated GPS device point by point (however, quite surely without being complete). Basically you have to decide which points apply in your situation and how you weigh them. GPS reception and accuracy When the first smartphones with GPS units hit the market, there was the saying that their GPS ...


4

I'll offer up my experiences. I spent a summer in the Sea of Cortez, in which the night time lows didn't go under 100f and the sea water temperature was above 90f for months. It was around 20 degrees latitude, and was extremely hot. In pure sun like that, you need to keep the sun off of your skin, period. You will be hot no matter what you do. There's no ...


3

Based on travelling in the region of this question for a few weeks and asking numerous park rangers this questions, and yet activly trying to find reptiles. Most snakes and other reptiles are indeed in hibernation in this period. Due to the cold most hibernate too deep to awake during the day. On south oriented slopes that warm up pretty good some lizards ...


3

I can only confirm on the experience of Ryley. We've been sleeping in Morocco on a 3 week trip, just pad and sleeping bag (well, sometimes it was so hot that it was almost all open). I was afraid of snakes and scorpions too but I haven't seen one for the whole time there (apart from those presented at the market). So no problem actually! Sometimes I tried to ...



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