Barrett Park - Leominster, MA

Noticed a small park that might be worth exploring but it turned out to be too close to the city, more a city park than an undisturbed woodland. I did spot some rectangular piles but they were hard bye some other disturbances, uphill from the southern end of the causeway, that seemed more mundane than ceremonial. From further away:
It was raining and muddy underfoot. Photos are blurry but at least the fall colors were nice.

There was a bit of ceremony in there (a small prayer seat): To me, the main reason you might visit this park would be to see this pretty little waterfall: