I thought I'd posted this, but can't find where if I did, so here goes - apologies if you find my other post

PDX Hunt have a treasure hunt on foot solving puzzles and clues along the way as you search for a hidden idol. Next hunt is scheduled for 28th August in the Portland area.

Looks like you can register as individuals or teams if you are interested.

Website here:

Facebook Page here:
PdxHunt.com | Facebook

Have fun.