August 8, 2022

Great Diamond Island

Great Diamond Island

Since 2022

In Maine, US


This chronolog combines 20 photos from 3 contributors. Learn more

About this site

Great Diamond Island is an island in Casco Bay, Maine. 

Photos taken at this site will help monitor and document changes to the area of Great Diamond Island that endures some of the most aggressive erosion from storm surge and sea level rise. Additionally, seasonal changes will be documented, including Spring and Summer photos that will catalog changes in vegetation, and Winter photos that will record changes in the sea wall. 

At low tide the monitoring station is accessible to pedestrians walking along the beach. A wooden staircase with a small sign that says OCT↑ gives safe passage to the monitoring post located at the top of the steps.  

The OCT monitoring site is located on private property, therefore, we urge visitors to be respectful. 

Learn more about Casco Bay Islands and its Watersheds
Natural Resources & Data.

Learn More about what impacts will sea level rise have on marshes, conserved lands, marine resources, and other nearshore resources.   

About Oceanside Conservation Trust of Casco Bay


Oceanside Conservation Trust of Casco Bay (OCT) facilitates the conservation of wild or undeveloped open space, scenic areas, and historic landmarks in the Casco Bay region; fosters low-impact and respectful access to these resources; and enhances the cultural, economic and civil well-being of residents and visitors. 


OCT is part of the Southern Maine Conservation Collaborative's Climate Change Observatory Network, a photo monitoring program designed to work with environmental organizations and communities to assist with the observation, measurement and documentation of long-term climate change trends and climate adaptation projects. 


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