9 thoughts on âProtein Pile-up: Common Cause of Brain Diseaseâ. 1  Interesting article by Dr. Collins. 2  This is an exciting discovery and Iâll be looking forward and following new developments. 3  You make this sound like it is normally happening to everyone.
Summer months are pretty hot, especially at the bottom of the canyon, where it can be well over a hundred. The best hiking weather is generally April and May, and late September through October. But then, these are the hardest times to get backcountry permits. You would send your applicAtion on May 1 for a permit date any time in September.
As with any National Park reservations, it's wise to book your lodging, camping, dining and tours up to a year in advance. The limited availability of rooms and seasonal dates at the Grand Canyon Lodge and Cabins book up very quickly, and so do the individual tent and RV sites at the North Rim Campground.