As of November 24 2025, there are 16500 active caches placed around Massachusetts.

These are the active caches in Holbrook, Massachusetts:

# GC Code Cache Name
1 GC2RY2Y  Trail Map Cache
2 GC360N4  Forest2
3 GC3WJFN  Can you hear me now?
4 GCAVAF3  Welcome to the Library!

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