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

These are the active caches in Marlborough, Massachusetts:


# GC Code Cache Name
1 GC2FFB  The Grove
2 GC4009  Callahan Cache North
3 GC6802  Brianna's 1st
4 GC9423  A little Birdie Told Me (Brianna's 3rd)
5 GCH5D1  Witches Cove Trail
6 GCHY9W  Robin Hill Cemetery Cache
7 GCKXFK  Crazy Callahan Climb
8 GCTNY4  Back To Basics -- Get Mello
9 GCZ7WB  Xrossed's Xcave
10 GC12QGH  Your Majesty, i'm sorry this one's for the cowboys
11 GC1PW90  Signs, Signs Everywhere There's Signs 3
12 GC21P21  Split Down the Middle
13 GC228C1  2009 Boston Red Sox Roster Series - Jon Lester
14 GC26BDN  the rock
15 GC28RNF  Ghiloni Memorials
16 GC2HRAQ  Rakkasans
17 GC2MZ0G  HMS - Ingalls
18 GC2N163  HMS - Sligo
19 GC2N17C  Something Special
20 GC2N6CM  Nickerson Park Runaround
21 GC2NKWP  HMS - Sophronia
22 GC2PJBE  HMS - City Hospital
23 GC2R9N9  Howe Pond Regular - The Void
24 GC2VF7V  crystalist covered by rocks
25 GC39KNT  3 Billy Goats Gruff
26 GC3H814  Just Around the Corner - Fram/So/Marl
27 GC4RYRJ  The Original Reflected S Simplified
28 GC4VDYQ  No Way - Another Reflected S
29 GC63W3X  BullsEye!
30 GC7D5NP  A Piece of Grove
31 GC7RBVC  Dead in the Grove
32 GC7RBWQ  Alive in the Grove
33 GC82GW9  Welcome to LALa-land
34 GC85TG2  Unicorn Rock
35 GC8G5QM  Luman Fairbanks Square
36 GC8GGKX  Jim's Toolbox
37 GC9P5MF  The John Brown Bell
38 GCAWH82  Kiki's Delivery Service #66: YASH XI
39 GCAWKGM  QEM Marlborough Ocean View
40 GCAWW1F  Challenge Traditional Date Placed
41 GCAX646  Awkward Friends
42 GCB4JCB  A Tree Grows in Marlborough QEM
43 GCB7QY2  Walk on Water in Marlborough QEM
44 GCB7R5B  Quick Easy Guide to Geocaching
45 GCB837E  On the way to walking on water QEM
46 GCB96BK  QEM - Robin Hill Hero
47 GCB9ZZG  QEM - Hidden Gem Boat Launch
48 GCBB43B  Finally A Dog Park QEM
49 GCBDEND  Scrabbled Eggs

This calculator was created and is maintained by twilighter. ©TwiLight Software, 2013-2025. All rights reserved. - - rev 2025.10.23-0950