![]() NPS photo Overlook EtiquetteThere may be hikers or rock climbers below any overlook. Never throw anything from the rim into the canyon! Even a small stone can be fatal. Supervise children closely. Weathered rock makes rim edges hazardous, and many places have no guardrails. Keep dogs on leash.
Take It Easy At AltitudeThe canyon rim is 8,000 feet above sea level. Take precautions, drink plenty of water, and slow down. Symptoms of mild Acute Mountain Sickness (altitude sickness) include mild headaches, increased breathing, rapid pulse, nausea, loss of appetite, lack of energy, and general malaise. These are warning signs not to go any higher than you already are. If symptoms advance to a lack of balance or coordination, slurring of words, altered mental state, extreme shortness of breathe, a wet or rasping cough, or blue skin, the person may be experiencing severe AMS and their life may be in jeopardy. Go down immediately and seek medical attention. The easiest way to treat AMS is to prevent it. Remember these simple rules when travelling to altitude:
Encounters With WildlifePlease view all wildlife from a distance. Never disrupt, approach, or attempt to feed any wildlife. Make noise (talking or clapping) while hiking to avoid surprising wildlife. Keep your backpack within arms reach at all times. It is unlikely that you will see a black bear and even less likely a mountain lion. But it's a good idea to know how you should behave if you do:
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Last updated: October 26, 2019