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My favorite tool for mapping is CalTopo, both on the desktop and mobile site.
Below you'll find a few of my favorite uses of the site, as well as other tools I use when planning a trip.
CalTopo
CalTopo
CalTopo Base Layers
CalTopo Base Layers
CalTopo has an extensive online learning site, that I would recommend for those just getting started. Once you have a feel for some of the basics, I'd like to show you a few of my favorite base layers.
First is the MapBuilder Topo, the default, and for good reason, its database of trails, lidar-imagery, and built-in shading is unmatched.
Forest Service Base Layers - a clean base map
Forest Service Base Layers - a clean base map
The two base layer options from the Forest Service are clean maps to underlay more creative functions. I often like to mix both of the 2016 options, with the "white" map being an excellent base. These layers lack the three-dimentional depth of the MapBuilder Topo, so when I use them I also add in "Shaded Relief" to supplement.
False Color IR - finding trees
False Color IR - finding trees
This infrared light layer is particularly useful for me when I'm mapping out tree skiing. It will highlight trees in red, and combined with the white base layer map from the forest service, I can more easily determine tree-density, and find enjoyable tree skiing more reliably. I've also used it effectively to find dense-enough stands of trees for near-treeline winter camping. Worth experimenting with.
Digital Elevation Model Shading (DEM) - create your own rules!
Digital Elevation Model Shading (DEM) - create your own rules!
DEM shading is definitely one of the deep-dive tools of CalTopo. You combine color-coded shading, with custom rules for slope angle, elevation, aspect, and tree cover to highlight terrain you're looking for. I primarily use this tool in winter in conjunction with an avalanche hazard forecast, it allows for me to visualize the terrain that may be off-limits, or just as easily, highlights what's on the menu for the day.
Here, DEM shading highlights where a deep persistent slab problem is lurking.
Slope Angle Shading
Slope Angle Shading
I'd be remiss to not mention one of the most simple, and useful tools for the winter-backcountry traveler. Slope angle shading will highlight where slopes between 28° and 60°+ are, which makes maps much easier to read. Be aware that avalanche terrain includes the runout zones, and slope angle shading does not display that.
Other great mapping tools
Other great mapping tools
It's not all CalTopo...
The Strava Global Heatmap came to my attention with some striking news headlines in 2017. Now, I use it to check out where folks that travel with a GPS device have been before. It's nice to try to determine where "climbers trails" actually are, or to figure out where the popular up-track is for backcountry skiing. You have to be registered to view close-in details, but it's a very nice tool when you're doing something with unusual routing.
A variety of ways to approach Crystal Crag
Of course there are plenty of other tools, but those are some of my favorites
Questions? Email me, miles@mountainism.com
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