Plot Your Next Hiking Adventure with Free GIS Tools

Ever looked at a mountain trail map and thought, “There’s got to be an easier way to see where I’ll end up?” Right now, with a few free GIS tools, you can turn a simple hike into a mini‑exploration on your screen before you even lace up your boots. That’s why today’s post on Map Making is all about getting the most out of free GIS (Geographic Information System) software to plan your next trek.

Why Free GIS Is a Game Changer

Most hikers rely on printed topographic maps or phone apps that show just the basics. Those are fine, but they often miss the details that matter: elevation gain, distance between campsites, or the exact route you’ll follow around a ridge. Free GIS tools fill those gaps without costing a dime. They let you layer different data sets, calculate slopes, and even see where the nearest water source is. All of that helps you stay safe and enjoy the trail more.

Getting Started: Pick a Tool

There are a handful of free GIS programs that are beginner‑friendly. Here are three that I use on Map Making and that work well for hikers.

QGIS (Quantum GIS)

What it is: A desktop program that runs on Windows, macOS, and Linux.
Why I like it: It’s powerful but has a clean interface. You can add layers like satellite images, trail shapefiles, and elevation models.
How to get it: Download from the official QGIS website. No registration needed.

Google Earth Pro

What it is: A free version of Google Earth that adds measurement tools and GIS‑style data import.
Why I like it: It’s already familiar to many people. You can draw a path, see the elevation profile, and export the route as a KML file.
How to get it: Just install the free desktop version from Google.

OpenStreetMap (OSM) + QField

What it is: OSM is a crowd‑sourced map database. QField is a mobile app that lets you view and edit those maps offline.
Why I like it: When you’re out on the trail, you can pull up the exact footpaths that aren’t on commercial maps.
How to get it: Install the OSM app on your phone and pair it with QField for offline use.

Step‑by‑Step: Plotting a Trail in QGIS

Below is a simple workflow that I’ve used on Map Making for trips across the Cascades, the Appalachians, and even a few overseas treks.

1. Gather Your Data

Base map: Download a raster (image) of the area from USGS EarthExplorer or the European Copernicus portal. Look for “satellite” or “topo” layers.
Trail data: Search for a “shapefile” of trails. Many state parks publish them for free. If you can’t find one, you can digitize your own from a PDF map.
Elevation: Get a DEM (Digital Elevation Model). A 30‑meter DEM is fine for most hikes.

2. Load the Layers

Open QGIS, then drag and drop your raster, shapefile, and DEM into the Layers panel. You’ll see the satellite image at the bottom, the trail lines on top, and the DEM as a semi‑transparent hillshade (a gray shading that shows relief).

3. Create a Simple Route

Click the “Edit” button on the toolbar, then choose “Add Line Feature.”
Click along the trail you plan to follow. Each click adds a vertex (a point) to your line.
Right‑click to finish the line, then save the edits.

4. Get Distance and Elevation

Right‑click your new line layer and select “Properties.”
Under the “Source” tab, you’ll see the total length (in meters or miles). That’s your trail distance.
To see elevation gain, open the “Processing Toolbox,” search for “Profile tool,” and run it on your line using the DEM as the input. A graph pops up showing how high you’ll climb and where the steep parts are.

5. Export a Printable Map

Go to “Project” → “New Print Layout.” Name it “My Hike.”
Add a map canvas, a legend, a scale bar, and the elevation profile.
Export as a PDF or image file. Print it out, or keep it on your phone.

Quick Tips to Keep It Simple

Don’t overload the map. Stick to three layers max: base map, trail, and hillshade. Too many layers make the map hard to read.
Use color wisely. Green for low ground, brown for higher ridges, and a bright line for your route.
Check the coordinate system. If your layers don’t line up, set the project CRS (Coordinate Reference System) to “WGS 84 / UTM zone 10N” (or whichever zone covers your area). QGIS will usually handle this automatically.
Save your project often. QGIS can crash on big DEMs, and you don’t want to lose your work.

Mobile Friendly: From Desktop to Trail

Once you have your route, you’ll probably want it on your phone. Here’s how to move it over without paying for a premium app.

Export as GPX. Right‑click the line layer → “Export” → “Save Features As…” Choose “GPX” as the format. This is a universal file type that most GPS apps understand.
Load into a free GPS app. Apps like “OsmAnd” or “GPX Tracker” let you import the GPX file and follow the route with turn‑by‑turn cues.
Add offline maps. In OsmAnd, you can download the same OSM map you used in QGIS. That way you have a backup if cell service disappears.

A Little Story From Map Making

Last summer I wanted to hike a little‑known loop in the White Mountains. The official guidebook had a sketchy map, and the phone app kept rerouting me onto a paved road. I pulled up QGIS on my laptop, downloaded the USGS DEM, and found a public trail shapefile on the state website. After a quick digitizing session, I had a clean route, a clear elevation profile, and a printable map that fit right into my pocket. The first day on the trail, I even spotted a hidden waterfall that wasn’t on any other map. That’s the kind of surprise free GIS can give you – it turns a “maybe” hike into a “definitely go” adventure.

When to Keep It Simple

If you’re just looking for a quick day hike, you might not need the full GIS workflow. A quick Google Earth Pro sketch will give you distance and a rough elevation graph in minutes. Save the deeper QGIS dive for longer trips, multi‑day backpacking, or when you’re exploring a new region where data isn’t readily posted.

Final Thoughts

Free GIS tools are like a Swiss army knife for hikers. They let you see the terrain in ways that paper maps and basic apps can’t. By spending a little time setting up a route in QGIS or Google Earth Pro, you’ll walk into the woods with a clear picture of distance, elevation, and any hidden gems along the way. And the best part? You don’t have to break the bank – the tools are free, and the knowledge is yours to keep.

Happy mapping, and may your next trail be both beautiful and well‑planned.