
I originally did not purchase this map for my Grand Canyons hikes due to the reasons sited in the poor reviews, as their points are all valid.However, I was at the USGS store picking up topos for another summer's canyon back country adventures and happen to look at this map and validated the observations of the previous reviewers.The only plus to this map is that it is the one map that covers the area of the park containing the inner canyon back country trails south of the river, from the Little Colorado on the east over to Royal Arch on the west; though, as noted in other reviews, not all of those trails are shown on this map.It is however a nice eye-candy map to hang on the wall to plot & visualize daily segments of longer hikes through the the length of canyon, and show accomplished inner canyon adventures.So I recently picked it for that purpose, and it is an attractive low scale reference wall map nicely depicting the eastern half of the inner canyon. On the back side is coverage of the upper canyon north to Navajo Bridge & the Vermillion Cliffs area.You will not be using this map to scout camp sites or water sources on the escalade, or looking for sections of higher exposure along the non-maintained back-country trails. It's low scale lacks any practical in-the-field function, particularly in the canyon back country.As previously noted the SKY TERRAIN canyon map is clearly far superior, though it does not have any map coverage west of Boucher Rapids- no West Tonto, South Bass, or Royal Arch trails coverage.Though, in all fairness, the Sky Terrain map, though a better scale and much more trail info than the NG map, is not a map of which I would depend on for land navigation in the area of the canyon where the non-maintained trails turn to rather indistinguishable routes though backcountry terrainSomewhat puzzling, the single mileage map scale is only printed on the upper canyon/Vermillion Cliffs side of the map & no scale reference on the main canyon flip-side of the map. If you are not familiar with eyeballing distance using metric map grids, which cover the map, you'll need to unfold & flip the map to get the miles distance.Even if you are only doing the day hike to Phantom Ranch, or a rim-to-rim on the well-maintained main corridor trails, based on my inner canyon experiences, I think you would find this map lacking and not worth the pack space/weight.But it does look darn good hanging on the wall highlighting the growing number of inner canyon adventures.
Reliable, weatherproof, accurate map for the central core of the park. Easy to carry and holds up to repeated use. A sidebar indicating basic geologic cross-sections as in other guides/maps would be very useful as a quick reference while going up and down through the layers.
I thought this was a map of Grand Canyon National Park. In fact it is just an area in close proximity to the visitor center and the more heavily visited areas of the Park. If you are looking for a complete map of the National Park, this map does not cover it.
There are some pretty major errors on this map.1. The Clear Creek Trail is missing from this map.2. The use area boundaries are in the wrong place (at least different than every other map of the Grand Canyon)3. It advertises an abandoned trail as a major trail.Instead of this map, buy the Sky Terrain map, much more accurate.
This map has a lot of helpful information. It has an "Average Temperature" chart which was great because I never would have realized that it is actually hotter at the bottom of the canyon than it is at the top. There is some info that probably becomes out-dated, like shuttle bus operations and camping availability, but still useful.Only downside is that it is relatively heavy (because it is waterproof and tearproof). It weighs about 3.5 oz.
I'm planning a hike with my son and grandson down to the river, camp at Phantom Ranch and then climb out the next day.
This is a very detailed map, a great resource, but too much for what I needed.
As described, this map is waterproof and tear resistant. Love maps
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