After enjoying your stroll around the Acton Arboretum and completeing the Adventure Lab, continue on to this bonus cache. The final coordinates can be found in the last journal entry (#5)
Link to the Adventure lab:
The Acton Arboretum Adventure Lab
More information can be found on The Acton Arboretum's website: https://actonarboretum.org/
This cache was placed with permmission from The Friends of Acton Arboretum and The Department of Natural Resources for the Town of Acton MA