A new book sheds light on the Merrimack's complicated relationship with manmade elements and provides insights on current threats.

The do-it-yourself challenge runs from June 15 through September 30 along the Merrimack River and its tributaries.

Whether you're taking part in our Merrimack Paddle Challenge along the mighty Merrimack River or just planning to kayak in a local pond, it's important to recreate responsibly and safely this summer.

Thanks to the Clean Water Act of 1972, the Merrimack has been cleaned up considerably over the last 50 years. But there is still work to be done.

A reminder about protecting nesting wildlife habitat at the Merrimack River Outdoor Education and Conservation Area.