How much water do I need to hike the Grand Canyon?

A: In warm months each hiker should carry and drink about a gallon (4 liters) of water per day. Watch your ins and outs. Drink enough so that urine frequency, clarity, and volume are normal. You are not drinking enough water if your urine is dark, small in quantity, or non-existent in the course of a day's hiking.



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The canyon is 446 kilometres long by an average of 16 kilometres wide and 1.6 kilometres deep, which gives a volume of about 10 million billion (1016) litres. So by simple division Daisy would take about 1.8 million million (1.8 × 1012) years to fill the canyon.

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If the Grand Canyon basin was filled, it would fill a lot of canyons, tributaries and river canyons beside the Grand Canyon both upstream and downstream.

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The Colorado River through Grand Canyon averages 300 feet (91 m) across and about 40 feet (12 m) deep. The average flow is between 12,000 and 15,000 cubic feet per second (cfs).

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Grand Canyon National Park's North Rim is open for the season. North Rim visitor services, lodging, restaurants, and campground, are open through October 15, 2023. For information on visiting the North Rim during the 2023 season, please visit: www.nps.gov/grca/planyourvisit/north-rim.htm.

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