Learn About Your River

To all of the Watershed Rangers students, teachers and program partners, although we will not be able to see you in classrooms, field trips and after school programs right now, we hope to provide you and your loved ones with online resources and activities during this time. We know that parents, teacher and lifelong learners are seeking ways to stay engaged and active, and we’re going to be working to bring activities to you through the Coastal Watershed Council blog. Please share these resources and activities with friends, neighbors and parents groups and stay tuned for more.
View Activities on CWC's Blog

The Coastal Watershed Council is transforming the lower San Lorenzo River into a community destination by inspiring people to explore, enhance and protect this critical natural resource.

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Chinatown Bridge Update

Chinatown Bridge Update

Not all experiences should be remembered. If we recall our struggles too crisply, the burden may be heavy. On the other hand, forgotten memories cost us the warmth and appreciation from special moments in our lives. Ideally, we have full recall of the highlights and...

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Animal Spotlight: Benthic Macroinvertebrates

Animal Spotlight: Benthic Macroinvertebrates

Activity Overview Grades: 5th-7thLength of Time: 30 minutes Adult Support Needed?: No Benthic Macroinvertebrates are small animals (usually bugs) that live at the bottom of the San Lorenzo River. Benthic macroinvertebrates are an important food source, help scientists...

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Celebrating Snapshot Day Together While Apart

Celebrating Snapshot Day Together While Apart

Although we can’t gather together for Snapshot Day this year, learn about the variety of online resources we have for you to investigate water quality at home! Also learn about a new water quality trend report developed by the Monterey Bay National Marine Sanctuary and based on 20 years of Snapshot Day data.

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Upcoming Events

There are no upcoming events at this time.


How We Do It

People rely on and impact the San Lorenzo River every day. That’s why CWC’s programs and partnerships bring you to discover your river, learn something new and inspire you to act. CWC’s dualistic approach of healthy watersheds, thriving communities brings fun, education, recreation and innovation to Santa Cruzans every day and creates value for your community.

Improving Water Quality

Enhancing Habitat

Empowering Youth

Conducting Community Science

Increasing Access and Safety

Increasing Positive Activity

Building Community Capacity

Sustaining Flows


Your Donation Makes a Big Difference

Every dollar you give, drives action for cleaner water and healthier habitat and helps CWC reach thousands of river champions of all ages. By donating, you join a growing group of people committed to transforming the San Lorenzo River into a community destination by inspiring people to explore and protect it. It’s easy to donate online today.


You Have a Role To Play

Volunteer today and use your time, skills, energy and ideas to drive change for the San Lorenzo River and the Santa Cruz Riverwalk, the urban park that lines its banks. There’s a role for everyone – including you. How will you join the movement?