Calendar

	April 2026
Sun	Mon	Tue	Wed	Thu	Fri	Sat
			1 Cancelled! Join the Route 66 Restoration Team on April 1st! Cancelled Operation Wild Lands @ Route 66 State Park 9am-12pm 15 This opportunity has been cancelled due to the weather. We hope you can join us on our next event on April 26.Come be part of a dedicated three-year mission to restore the ecology of historic Route 66 State Park! Our primary goal is to eliminate "sou... Cancelled! Join ... Cancelled! Join the Route 66 Restoration Team on April 1st! Cancelled View More	2	3	4 Cancelled April Honeysuckle Hack at St. Vincent Park Community Stewardship Alliance at St. Vincent Park 9am - 12pm 22 WHAT: Take a moment out of your busy schedule and join the Community Stewardship Alliance to remove invasive honeysuckle and winter creeper from the St. Vincent Park woodlands. WHERE:St. Vincent Park, 7335 St Charles Rock Rd, St. Louis, MO 63121. ... Cancelled April ... Cancelled April Honeysuckle Hack at St. Vincent Park CANCELLEDHoneysuckle Hack at Castlewood State Park on April 4th Operation Wild Lands 9am-12pm 1 WHAT: Come join Open Space STL and its community of volunteers as we support Castlewood State Park staff in the removal of invasive Bush honeysuckle from woodlands within the park. This volunteer efforts is part of OS-STL's Operation Wild Lands pro... CANCELLEDHoney... CANCELLEDHoneysuckle Hack at Castlewood State Park on April 4th View More
5	6	7	8 Honeysuckle Hack at Greensfelder Park on 4/8 (new Location Mustang Shelter Community Stewardship Alliance at Greensfelder Park 9am-12pm 17 We’ll be clearing invasive honeysuckle around Mustang Shelter on Allenton Road.WHERE: Mustang Shelter (Updated 4/5). Google Map link hereWHEN: Wednesday, April 8 from 9am to 12pm. Volunteer check-in will begin at 8:45am. WHAT TO WEAR:Clothes that... Honeysuckle Hack... Honeysuckle Hack at Greensfelder Park on 4/8 (new Location Mustang Shelter View More	9	10	11 Water-Based Cleanup: Mississippi River cleanup on The Department of Natural Resources Emergency Response Boat \| Grade B/C Confluence Trash Bash 8:30-11:00am 1 SITE GRADE B/C - Some Steep Slopes. Full mobility suggested. Some areas may have Heavy trash. Heavy brush. Recommended for ages 16 and up. This site may have exposure to biohazards, sharps, stinging/biting insects, etc. Volunteers at this site wi... Water-Based Clea... Water-Based Cleanup: Mississippi River cleanup on The Department of Natural Resources Emergency Response Boat \| Grade B/C Land & Water Clean Up: Spanish Lake Park \| Grade B Confluence Trash Bash 9am-11am 3 SITE GRADE B - Some Slopes. Some Brush. Recommended for ages 9 and up. Full mobility suggested. WHAT: Volunteers will cleanup areas around Christian Retention Pond in Spanish Lake County Park. Most clean up opportunities in this area will be on l... Land & Water Cle... Land & Water Clean Up: Spanish Lake Park \| Grade B Land Based Clean Up: Centennial Greenway with Sierra Club EMG\| Grade C Confluence Trash Bash 9-11 Registration for this event is on the Sierra Club EMG website: Sierra Club Cleanup along The Centennial GreenwaySITE GRADE C - Heavy trash. Heavy brush. Steep slopes. Full mobility needed. Recommended for ages 16 and up. Sites containing i... Land Based Clean... Land Based Clean Up: Centennial Greenway with Sierra Club EMG\| Grade C Water-based Cleanup: North Riverfront Park with Big Muddy Adventures \| Grade C Confluence Trash Bash 9am-11am SITE GRADE C - Moderately strenuous float for more experienced paddlers. WHAT: Volunteers will be paddling with Big Muddy Adventures on the Mississippi River to pick trash on the river and along the riverbanks.After the clean up, join us at The ... Water-based Clea... Water-based Cleanup: North Riverfront Park with Big Muddy Adventures \| Grade C Land & Creek Clean Up + Storm Drain Marking: St. Ann Park \| Grade C/D Confluence Trash Bash 9am-11am 6 SITE GRADE C/D - Heavy trash. Heavy brush. Steep slopes. Full mobility needed. Recommended for ages 16 and up. Sites containing inappropriate trash (condoms, drug paraphernalia) should also be ranked as C even if it is not difficult terra... Land & Creek Cle... Land & Creek Clean Up + Storm Drain Marking: St. Ann Park \| Grade C/D View 15 More
12	13	14	15	16	17	18 Volunteer Work Day at The Garden Chapel Sanctuary on April 18th Operation Wild Lands 9am-12pm 19 WHAT: Join the community of Garden Chapel Sanctuary to help cleanup the nature sanctuary, build out part of the walking trail, and create a sacred gathering circle!WHERE: The Garden Chapel Sanctuary, 1040 Dautel Ln, St. Louis, MO 63146 Exact locati... Volunteer Work D... Volunteer Work Day at The Garden Chapel Sanctuary on April 18th April 18th Land Based Cleanup: O'Fallon Park \| Grade B/C Confluence Trash Bash 9am-3pm 26 SITE GRADE B/C - Some Slopes. Recommended for ages 12 and up. Full mobility suggested. Some areas may have heavy trash, steep slopes, and heavy brush. Sawyers will be working in some areas, so volunteers need to use caution around the chainsaw-u... April 18th Land ... April 18th Land Based Cleanup: O'Fallon Park \| Grade B/C Jefferson Barracks: Sylvan Springs Beverage Garden and Amphitheater Restoration & Planting on April 18 Community Stewardship Alliance at Jefferson Barracks Park 9am-11am 9 WHAT: On Saturday, April 18, 2026, we continue restoration work with our enthusiastic group and any newcomers to make this a destination for gatherings, small concerts and relaxed personal reflection. The beautiful natural spring, patio and planting... Jefferson Barrac... Jefferson Barracks: Sylvan Springs Beverage Garden and Amphitheater Restoration & Planting on April 18 Honeysuckle Hack at Castlewood State Park on April 18th Operation Wild Lands 9am-12pm 5 WHAT: Come join Open Space STL and its community of volunteers as we support Castlewood State Park staff in the removal of invasive Bush honeysuckle from woodlands within the park. This volunteer efforts is part of OS-STL's Operation Wild Lands pro... Honeysuckle Hack... Honeysuckle Hack at Castlewood State Park on April 18th View More
19	20	21	22 April 22, 2026 - April 22, 2026 ReRun 5K @ 5:00pm by Volunteer Appreciation Join us at Tower Grove Park on Earth Day for an evening 5K that gives back to our community and planet. At this unique type of 5K, we’ll be incorporating eco-friendly measures and partnering with local organizations to help create a more sustainable future.In an effort to support a local charity that benefits the earth, a minimum of $5 of your re... ReRun 5K ReRun 5K View More	23	24	25 April 25, 2026 - April 25, 2026 Earth Day Festival - 2026 @ 11:00am by Volunteer Appreciation Celebrate sustainability, community, and climate action at the St. Louis Earth Day Festival, the largest Earth Day celebration in the Midwest. Join thousands of attendees, local organizations, and mission-driven businesses for a dynamic, family-friendly experience filled with live entertainment, local food, educational exhibits, and hands-on o... Earth Day Festiv... Earth Day Festival - 2026 Mallard Lake Pollinator Garden Maintenance on April 25th Community Stewardship Alliance at Creve Coeur @ Mallard Lake 8:30am to noon 16 WHAT: Spring cleaning applies to pollinator gardens, too! Join the Community Stewardship Alliance for pollinator garden maintenance at Mallard Lake. There will be varying activities ranging from removing unwanted plants, planting new plants, and ... Mallard Lake Pol... Mallard Lake Pollinator Garden Maintenance on April 25th View More
26 April 26, 2026 - April 26, 2026 Earth Day Festival - 2026 @ 11:00am by Volunteer Appreciation Celebrate sustainability, community, and climate action at the St. Louis Earth Day Festival, the largest Earth Day celebration in the Midwest. Join thousands of attendees, local organizations, and mission-driven businesses for a dynamic, family-friendly experience filled with live entertainment, local food, educational exhibits, and hands-on o... Earth Day Festiv... Earth Day Festival - 2026 View More	27	28	29 Join the Route 66 Restoration Team on April 29th! Operation Wild Lands @ Route 66 State Park 9am-12pm 16 Come be part of a dedicated three-year mission to restore the ecology of historic Route 66 State Park! Our primary goal is to eliminate "source" invasive species like Bush Honeysuckle, Callery Pear, and Tree of Heaven, all of which are spread by bird... Join the Route 6... Join the Route 66 Restoration Team on April 29th! View More	30 Honeysuckle Hack at Castlewood State Park on April 30th Operation Wild Lands 9am-12pm WHAT: Come join Open Space STL and its community of volunteers as we support Castlewood State Park staff in the removal of invasive Bush honeysuckle from woodlands within the park. This volunteer efforts is part of OS-STL's Operation Wild Lands pro... Honeysuckle Hack... Honeysuckle Hack at Castlewood State Park on April 30th View More