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Skagit Watershed Letterbox Trails

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Letterboxing is an old English tradition dating back to 1854 where people began leaving self-addressed post cards or notes in a jar, hoping for them to be returned in the mail by the next visitor.

Today we’ve adapted this tradition and put it to use at three of our partner trails. Each trail gives kids of all ages an exciting opportunity to explore our local watersheds and have fun while doing so. With the clue sheet you will discover letterbox stations and can then qualify for prizes.

All you need is a clue sheet, pen/pencil, outdoor attire, a smart phone (unless you want to unplug) and a sense of adventure!


Step 1.  Print the Clue Sheet and bring it with you to the trails.

Step 2. Pick a trail and navigate there:

Step 3. Hit the trails! Follow the clues to find the Letterbox Stations. When you find a Letterbox Station, draw something you see around you on the clue sheet to mark your discoveries. For extra fun, bring your smart phone to scan the QR codes!

Step 4. Once you visit at least two trails, scan or send a photo of your clue sheet to be entered to win a prize! Email: by October 4, 2020. 


  • Clue Sheets are only available digitally. Make sure to print before you head to the trails.
  • Dress for mud!
  • Research the trail and areas to gain awareness of your surroundings
  • Do not touch the Letterbox Stations.
  • Practice physical distancing and wear your masks when you encounter other trail users.
  • Adhere to all posted signs at each trail.
  • Leave no trace and be respectful of Mother Nature.
  • Use caution along the trails. Be aware of your surroundings and the creatures that inhabit the trails.

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