Finally found it after two years! - eviltoast

This ammo can is the final stop for a multi, which I started on back in 2021. The clues for the final are in an easily accessible, urban area. But once I put them all together, the final was fully 10km away, on a hike part way up a mountain! I had the final saved to my phone and ignored for a long time before finally heading out for the hike today. So satisfying to finally check it off!