Letterboxing is an intriguing “treasure hunt” style outdoor activity. Letterboxers hide small, weatherproof boxes in publicly-accessible places (like parks) and post clues to finding the box online on one of several Web sites. However, clues to finding some of the most highly-sought boxes are passed around by word of mouth.

There are about 60,000 active letterboxes listed on LbNA alone. Individual letterboxes usually contain a log book, an often hand-carved rubber stamp and occasionally contain an ink pad. Finders make an imprint of the letterbox’s stamp on their personal log book, and leave an imprint of their personal stamp on the letterbox’s logbook.

1. Bird Business Burbank, CA
2. And They Called Her... Burbank, CA
3. Summertime Music Burbank, CA
4. Christmas Cookies Burbank, CA
5. Mama Bear Burbank, CA
6. Busted Oak Cellars Ledbetter, TX
7. Troop 1985 San Marcos, CA
8. Elana Chivani - XVII The Star ???, CA (4)
9. Cartoon Cat Series Cyress, TX (20)
10. Things I Miss and Things I Don’t - 2026 Wauwatosa, WI (2)
11. The Big Brother Letterbox San Miguel, CA
12. Love Birds San Marcos, CA

More new letterboxes

1. Desert Tortoise Mojave, CA
2. Lego Panda Carlsbad, CA
3. Sleepy Transformation Carlsbad, CA
4. 3 P's in a Todd Oceanside, CA
5. Brother Blaise Oceanside, CA
6. O'side Oceanside, CA
7. Hedgie Oceanside, CA
8. Solar Analemma ???, PA
9. Cherry Kiss La Canada Flintridge, CA
10. Summertime Music Burbank, CA
11. Mama Bear Burbank, CA
12. Christmas Cookies Burbank, CA

You might wonder what the checkbox that says “Include archived clues” on the Search Clues page means.

This is a way for those that are interested in viewing clues that are normally hidden. This is usually because the letterboxes are thought to be lost but may also because the boxes have been removed by the planter. The important point is that if you follow the clues, your chance of finding a letterbox are slim. Still some people like to find interesting hikes or the potential thrill of finding a box that was thought to be lost!