Note: The program is available year round, except for the Sidney Island caches (which are disabled September 30 - May 15).

Geocaching is an interactive treasure hunt played with a GPS unit or smartphone. The treasure hunt will take you to places on the islands you have never been and leave you without a doubt in your mind as to why this park is one of Canada’s national treasures. The park's geocaching program is an interactive way to learn about the unique natural and cultural heritage of the national park reserve.

Geocaching loops

Gulf Islands Survivor Challenge

The Gulf Islands Survivor Challenge is an easy, family-friendly, series of GPS treasure hunts. The Survivor Challenge passport will provide you with the location for the first cache in each series. You can then follow the clues inside each cache to find your way to the next one. Each cache includes a story about the park and a challenge.

Complete three out of the four island challenges and redeem your passport for a commemorative geocoin. Challenges begin at:

  • Winter Cove on Saturna Island
  • Prior Centennial Campground on Pender Island
  • McDonald Campground in Sidney
  • Along the loop trail on Sidney Island

Download your Survivor Challenge passport here (PDF, 879 KB)

Top Ten Challenge

The Top Ten route is an advanced series of caches. The coordinates for each cache are provided in you Top Ten Challenge passport, the caches are listed in no particular order and it is up to you to “choose your own adventure” and create your own route to find them all. This series of caches could be comfortably completed in three days. Find all 10 geocaches and redeem your passport for a Parks Canada geocoin.

Caches are located on:

  • Sidney Island
  • Saturna Island
  • Pender Island

Download your Top Ten Challenge passport here (PDF, 264 KB)

Getting started

  1. Obtain all the co-ordinates for the geocaches from
  2. Use either a GPS, or smartphone to find the caches (when using a smartphone, download the geocaching app).
  3. Respect the natural surroundings by staying on marked trails – all geocaches are directly accessible from trails or public areas.
  4. Do not leave anything (trade items) inside of the geocaches
  5. Only Parks Canada staff may place geocaches in the park.

Receiving your coin

Limited edition centennial geocoin

Once you have completed your passport, you will receive one of the limited edition Parks Canada geocoins. To receive your Parks Canada geocoin:

  • Bring your completed passport to the Shaw Centre for the Salish Sea – 9811 Seaport Place, daily between 10 am and 4 pm.


  • Glue the sides of your passport together, add a stamp and mail it in to Gulf Islands National Park Reserve.

Now, grab your GPS and come explore the Gulf Islands!