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Best Navigation Apps for 2026

Glenn MacGrady

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I'm not familiar with these kind of apps, but this article reviews seven of them. Chip in if you have experience with these apps or others.

 
I use printed maps almost exclusively for onsite navigation. A standalone GPS is used only for lapses of befuddlement. However I'm currently planning a long trip in Nunavut for this summer. For this planning, I've recently started using CalTopo (on my desktop), as one of the other paddlers has some background in it and he's already got a rough plan outlined in it. I loaded that into Google Earth, which shows the path nicely. The idea is to thoroughly preview the route to get an estimate of the amount of time it'll take us (mileage, portages), as well as look at other potential setbacks. One of the rivers we'll be going on is very low volume, and SatellitesPro (which seems to have Apple Maps installed) provides much more detail than Google Earth. This will help enormously in evaluating whether the river is navigable. It also provides sufficient detail for rapids, much more so than Google Earth. I'll be continuing with CalTopo, and might be able to give some more comments in the future.
 
In many areas, "Logan Earth" - a northern developed program - also provides superior imagery to Google Earth. It might be worth a look.

One issue I have found in using satellite imagery to evaluate rapids is trying to extrapolate from the water level visible in the sat image to the water level you will experience on your trip. Both seasonal and annual variations come in to play. It's especially noticeable on small rivers without sizable headwater lakes, where levels can drop swiftly after the spring spate
 
Good info. For those of you interested in the variety of satellite images for planning, here's an interesting comparison. I'm looking at a series of lakes with a thin stream (aka river) connecting, wondering how reasonable this trip is. Here are three available satellite images referenced in this discussion for the same area (Glenn--feel free to move this to a new thread), zoomed in as much as feasible due to resolution. You'll notice immediately that Google Earth is way, way behind.

FYI, this is in Nunavut. Those familiar with satellite imagery know well that resolution changes depending on where you're looking.

Google Earth (the other two programs show the stream section above the small connecting lake along the yellow line).

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Logan Earth
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Satellites Pro
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Some differences:

Google Earth will accept .kmls from other sources easily (tracks, waypoints, lines, polygons--good compatibility with CalTopo and gps units). I haven't found where Satellites Pro and Logan Earth can do that, but I've spent only a few minutes with Logan Pro. For my purposes, I'm using CalTopo, Google Earth and Satellites Pro at the same time. Since the original rough trip was outlined in CalTopo, I imported it into Google Earth for basic viewing (looking to see where problems may occur). Since Satellites Pro has much better resolution, I can look at that for better detail while still being able to orient with Google Earth. It's fun!

Of course all this technical wizardry begs the question of what type of trip do you want. How much information do you want for your planning? What type of wilderness wanderer are you? I'll leave that to a new discussion.
 
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One issue I have found in using satellite imagery to evaluate rapids is trying to extrapolate from the water level visible in the sat image to the water level you will experience on your trip. Both seasonal and annual variations come in to play. It's especially noticeable on small rivers without sizable headwater lakes, where levels can drop swiftly after the spring spate

Very true! However peering from x thousand feet over rapids of interest sure is fun! Here is the rapid that killed Art Moffatt on the Dubawnt River in 1955 (see "Death on the Barrens", by George Grinnell, or Skip Pessel's "Barren Grounds: The Story of the Tragic Moffat Canoe Trip"). With lots of prior research (journals, maps, satellite imagery) we found another river branch accessing the lake to the north, and paddled to the rapid from downstream (and camped there). Both seeing the imagery and the rapid told us that avoiding it was a good call. Yes, maybe you could sneak a way through, but..........


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