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Calendar of Events

All programs require registration unless otherwise noted.


Programs listed in the calendar are for individuals and families. If you have a group, such as scouts, that would like a program, please contact the Estuary Center or complete and return our Program Request Form.


Click here for OPCA online registration or HC online registration or call 410-612-1688.

Download a .pdf version of our spring calendar of events.

List View
Calendar View

28th Annual Marsh Clean-Up at Bosely Conservancy

03/23/2019 @ 9:00 am-12:00 pmThe Bosely Conservancy is part of the Otter Point Creek Component of the Chesapeake Bay National Estuarine Research Reserve - Maryland. Join members of the Izaak Walton League and volunteers with Harford County Parks & Recreation and the Chesapeake Bay Reserve to keep our marsh beautiful! Help us clean up the beautiful Otter Point Creek Marsh - part of the Winters Run Watershed. Meet at 2601 Perry Avenue, Edgewood, MD at the entrance of the Bosely Conservancy.Wear old shoes or boots and gloves.

Spring Stream Study

03/24/2019 @ 10:00 am-11:30 amSample the stream for bugs to tell you about water quality and discover salamanders, frogs, crayfish, and spring wildflowers that depend on clean water! Boots required.


03/24/2019 @ 11:00 am-1:00 pmBecome part of a volunteer team of invasive plant removers and native plant restorers. Learn why non-native invasive plants are a threat to our ecosystem, how to identify problem plants, and removal and restoration strategies. Wear sturdy shoes, long sleeves, and work gloves for field work in the Reserve each meeting date, weather permitting.

The Mystery of John Smith's Chesapeake Cross Markers

03/24/2019 @ 1:00 pm-3:00 pmCaptain John Smith, on his 1612 map of the Chesapeake Bay, marked the extent of his explorations with 27 "Maltese" crosses. Ed Haile and Connie Lapallo, with the Chesapeake Conservancy, have embarked on a project to pinpoint and mark the cross locations in today's landscape for "modern day adventurers". Please join us for a fascinating afternoon of discovery as poet/ author/historians Ed and Connie weave a tale of exploration, geography, research, cartography, and Chesapeake mystery. This program is free, but donations are welcome.

Meet a Critter

03/24/2019 @ 2:30 pm-3:30 pmCheck out one of our live critters up close while discovering what makes that animal special.



Monday thru Friday, 10:00 a.m. to 5:00 p.m.
Saturday, 10:00 a.m. to 5:00 p.m.
Sunday, 12:00 noon to 5:00 p.m.



eco friendly parties click here


OPCA is a non-profit organization
which supports all the great opportunities and programs at the Estuary Center. Find out more click here.

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Anita C. Leight Estuary Center / 700 Otter Point Road, Abingdon MD 21009 / 410-612-1688