Egg Rock Formation Concord, Massachusetts

Egg Rock is an outcrop of Silurian Straw Hollow Diorite at the confluence of the Assabet and Sudbury rivers, where they form the Concord River in Concord, Massachusetts. The outcrop is located on a roughly oval intermittent island of about 100 by 50 meters – Read More

MAP – Rivers Confluence – Trail Map PDF

Path to Egg Rock

View from Egg Rock

Inscription at Egg Rock

Resources:
Nashawtuc Hill – Read More
360Cities – Egg Rock – Read More
Wild and Scenic River – Read More