| Greenways Birding Trail | |
| Sites along the Sunrise Coast Birding Trail | |
| Beautiful State Recreation Area Minutes From Alpena | |
| Explore Art, History, and Science in Alpena! | |
| Can be viewed from Wessel Road | |
| Drumlin Hill Features | |
| Drumlin Hill Features | |
| Drumlin Hill Features | |
| Limestome deposits that form an ancient coral reef | |
| Limestone cobble shore | |
| Limestone cobble shore | |
| Cobble beach and shoals off northern tip of island | |
| Coastal Geology Feature | |
| Sand islands and ridges surrounded by swamps | |
| Karst geology features are prominent around El Cajon Bay. | |
| Outlet of underground bedrock stream | |
| Sand Deposits from Glacial Lake Nipissing | |
| Pristine coastal wetland with scattered small islands of cedar trees | |
| Shoreline from Post Glacial Lake Nipissing (4,500 years ago) | |
| Limestone bedrock lakeshore | |
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| Located in the Alpena Township Nature Preserve on El Cajon and Misery Bays | |
| The islands and numerous shoals are sutbborn remnants of bedrock | |
| Sand Ridges in Coastal Lake Plain | |
| Old River Channels | |
| An inland sandy ridge from Alpena to Black River | |
| Sand Deposits from Glacial Lake Nipissing | |
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| Important bird nesting site. | |
| A Unique Natural Feature | |
| One of the largest collapse valleys in the Great Lakes region! | |
| A Beautiful Preserve To See Natural Sinkholes | |
| A large undeveloped recreation area with a lot of things to explore! | |