If you have AllTrails pro you can download the gpx route of the hike and import that into garmin connect online as a course. Then just sync that to your watch.

on how to install the free maps on Windows.

1. Run the “bat” file as described on the GMapTool site.
2. Open Garmin Basecamp to ensure that the maps have been installed.
3. Use the free Garmin MapInstall program to send the maps to your device.
4. Or use the maps at garmin.openstreetmap.nl, Download your map first.

Garmin Connect integration is available for AllTrails!…Via iPhone or Android app:

1. Open the AllTrails app.
2. Tap on ‘Profile’ on the bottom navigation bar.
3. Tap ‘Settings’
4. Tap on ‘Garmin Connect’ and then tap ‘Connect’
5. Enter your Garmin credentials and authorize AllTrails.

1. Step 1: Create Your Hike. To start, you’ll need to plan your hike and create a track, which is saved as a GPX file. A GPX file is simply a text file with a list of lat/lon coordinates specifying a track.
2. Step 2: Send the Hike to Your Garmin GPS. Once you have your GPX file, you need to transfer it to your Garmin GPS.

To Create a New Course

1. Sign into Garmin Connect from a personal computer.
2. Select from the upper left corner to expand the menu navigation.
3. Select Training.
4. Select Courses.
5. Choose your map option from the upper right corner of the map.
6. Select Create a Course (bottom left side of the map)
7. Select a Course Type.

It’s really easy to create a custom route for running or cycling through Garmin Connect. Open up Garmin Connect on your phone. Expand the side menu and tap on training > courses. You’ll see a list of your courses with the option to “create course” at the top.

Export All Uploaded Activities as a CSV File

1. Sign in to your Garmin Connect account.
2. Click Arrow Icon in the upper left corner to expand the Navigation Bar.
3. Click Activities.
4. Click All Activities.
5. Click Export CSV located on the top right side of the activities list.
6. Save the file.

Before you can create a course, you must have an activity with GPS data saved to your device.

1. Select Menu > Navigation > Courses > Course Options > Create New.
2. Select an activity on which to base your course.
3. Enter a name for the course, and select .
4. Select the course, and review the course details.

The Lock On Road1 setting under Routing preferences in found on many current outdoor handheld devices. Enabling the setting locks the current location marker onto the nearest road. This will compensate for variances in the map position accuracy.

Uploading GPX Data

1. Connect the device to computer using a USB cable.
2. Log into Garmin Connect.
3. Click.
4. Select Import Data.
5. Select Browse.
6. Locate device showing as a mass storage drive.
7. Click Garmin folder.
8. Click GPX folder.

Transferring GPX Files to a Garmin Outdoor Handheld Select an item, list, or multiple items (using CTRL+Click or Shift+Click) Select the Device drop-down menu. Hover over Send To Device. Select Send [‘Name’] to Device, or Send Selection to Device.

To load maps to your Garmin device using the MapSource program:

1. Attach your Garmin device to the computer with a data transfer USB cable.
2. Start MapSource.
3. Click the Tools menu.
4. Click the Map option in the Tools menu.
5. Click the map regions you wish to install.
6. Click the Transfer menu.

Here’s a quick step-by-step:

1. Plug in your Garmin.
2. On the website, navigate to your route or ride.
3. Otherwise, click the Export tab then click on your desired filetype: TCX Course, GPX Track, or FIT Course.
4. If your computer prompts you to save the file to a specific location, place it somewhere memorable like the desktop.

The GPX file had latitude, longitude and elevation at each point. The TCX file had latitude and longitude only. So, in this case the GPX is better. For a different event I downloaded both GPX and TCX files from RideWithGPS.

The GPS Exchange (GPX) Format, according to Garmin, “is a light-weight XML data format for the interchange of GPS data (waypoints, routes and tracks) between applications and Web services on the Internet.” Since Garmin devices recognize this format, one of the best ways to use your GPX files is by importing them to …

Importing Courses

1. Log in to Garmin Connect from a computer.
2. Select from the navigation menu on the left.
3. Select Courses.
4. Select Import (Bottom Right of the Course List Window.
5. Locate and select the Course File.
6. Select Get Started.
7. Select a course type, then select Continue.

If you have a Garmin Nuvi, you can take Google Maps with you on your travels. Google and Garmin teamed up to make it possible for users to transfer addresses and points of interest from their computers to their GPS devices.

Export Routes to Garmin Device

1. While viewing a route, click on the MORE button in the left panel.
2. Click EXPORT AS FILE.
3. Select TCX (for this example).
4. Click DOWNLOAD .TCX.
5. The downloaded file will be placed in your web browsers default location.
6. Plug in your Garmin device into your computer via USB.