Canoe Constitution Marsh — Constitution Marsh, Garrison. 4-6 p.m. Aug. 16. Join the Hudson Highlands Nature Museum on a canoe trip through the channels of Constitution Marsh, near Cold Spring, one of the five tidal marshes of the Hudson. Guided by an Audubon naturalist, search for hidden wildlife and enjoy the beautiful scenery. Limited spots available. Prepaid registration is required. This program is for adults and older teens. Meet at Constitution Marsh. $30 or $25 for museum members. For more information and to register online, visit hhnaturemuseum.org or call 845-534-5506, Ext. 204.
From Ice Age to Contact — Stony Kill Farm Environmental Education Center, 79 Farmstead Lane, Wappingers Falls. Aug. 16. Take a journey from day one in the Hudson Valley, glacial maximum 20,000 years ago, to the 17th century European contact. Participants will investigate the valley's first people by looking at the archaeological evidence from local sites — Bannerman's to Bowdoin Park to Clinton Point. Attendees are encouraged to bring "Indian artifacts," in particular projectile points. Time permitting, we will try to identify them for you and tell you something about their makers. This program is presented by Tom Lake, a naturalist for the Hudson River Estuary Program of the state Department of Environmental Conservation. To be held in the Barn Classroom at Stony Kill Farm Educational Center. For additional information, email firstname.lastname@example.org or call 845-831-1617.
Hike Warner Creek/Long Path and Devil's Path on Plateau Mountain — Plateau Mountain, Catskill Mountains. Aug. 16, A 7.5-mile strenuous, moderately fast hike with the mid-Hudson chapter of the Adirondack Mountain Club. Contact leaders Georgette Weir at email@example.com and Jean-Claude Fouere at firstname.lastname@example.org or 845-462-0142 for information on time and carpooling and to reserve your place. Put "Catskill hike" in subject line if emailing. Short car shuttle between endpoints on Route 214. This hike will include stretches of the Warner Creek Trail and Devil's Path, including a 0.4-mile detour to the summit of plateau. www.midhudsonadk.org
Learn about fossils — Hudson Highlands Nature Museum, Outdoor Discovery Center, 174 Angola Road, Cornwall. 10 a.m. Aug. 16. Join environmental educator Lisa Mechaley. Budding paleontologists will view a collection of fossils, learn about their formation and find out what scientists learn from them and how to collect them. Everyone attending will create a fossil replica to take home. For adults and children 5 and up. $7 for adults and $5 for children or $5 for adult members and $3 for child members. For more information, visit hhnaturemuseum.org or call 845-534-5506, Ext. 204.
Seek birds at Deep Hollow — Deep Hollow, Deep Hollow Road, Amenia. Aug. 16, a Waterman Bird Club field trip. Call Barbara at 845-297-6701 for meeting place on Deep Hollow Road in Amenia. www.watermanbirdclub.org
Singles and Sociables outing to Awosting Falls — Minnewaska State Park Preserve, Route 44/55, New Paltz. 9 a.m. to 3 p.m. Aug. 16. A moderate seven-mile hike for adults. No reservations required. Meet at Minnewaska State Park Preserve Peterskill Lot. New hikers are strongly encouraged to contact leader Tonda Highley at 845-255-9933 prior to the hike for information. Hike leaders determine whether or not to allow pets. Parking is $8 per car. www.mohonkpresrve.org
Fall/winter prep for honeybee keepers — HoneybeeLives Apiary, New Paltz. 2-6 p.m. Aug. 17. The end of summer is a critical time to tend hives. Learn how to clean up hives and look for problems that might weaken your bees. Learn about the life in the hive during this transitional time. Prepare for fall and winter, to best nurture the bees and boost their immune systems. Let us help you think through your autumn tasks of fortifying your hives and answer your questions. $60 per person; sign up early and secure your spot with payment in advance. Preregistration is required, and prepayment is appreciated. Email: HoneybeeLives@Yahoo.com or call 845-255-6113 or visit our website HoneybeeLives.org for further information and directions.
Intro lecture to honeybees and organic beekeeping — HoneybeeLives Apiary, New Paltz. 11 a.m. to 1:30 p.m. Aug. 17. Learn about the lives of honeybees. Hear about the plight of honeybee colonies. For the general public, gardeners and wanna-beekeepers. Includes a visit into a working hive to experience the honeybee community. $30 per person. Preregistration is required; email HoneybeeLives@Yahoo.com or call 845-255-6113.
Meet the opossum — Hudson Highlands Nature Museum, Wildlife Education Center, 25 Boulevard, Cornwall. 1-2:30 p.m. Aug. 17. Opossums are not related to rodents; they are actually marsupials (animals with a pouch). Join environmental educators to learn about the opossum. This program takes place at the Wildlife Education Center where participants will be able to observe the museum opossum's home and watch it enjoy a snack. Admission to the Wildlife Education Center is $3 per person and free for museum members. The Wildlife Education Center is open Fridays, Saturdays and Sundays from noon to 4 p.m. For information, visit hhnaturemuseum.org or call 845-534-5506, Ext. 204.
Singles and Sociables hike at Schunemuck Ridge — Schunemunk Ridge, Schunemunk State Park, New Windsor. Aug. 17, a strenuous nine-mile hike for adults. No reservations required. New hikers are strongly encouraged to contact leader Gary Curasi at 845-534-2886 prior to the hike for information. Hike leaders determine whether or not to allow pets. www.mohonkpreserve.org
Art in the Wild: Naturally Inspired Trailside Creations — Hudson Highlands Nature Museum, Outdoor Discovery Center, 174 Angola Road, Cornwall. 10 a.m. to 4 p.m. Saturdays and Sundays to Aug. 31. An outdoor art exhibit curated by Daniel Mack. Free. For more information visit hhnaturemuseum.org or call 845-534-5506, Ext. 204.
Grasshopper Grove: Gateway to Nature Play — Hudson Highlands Nature Museum, Outdoor Discovery Center, 174 Angola Road, Cornwall. 10 a.m. to 4 p.m. Saturdays and Sundays through mid-November. Nature play area. Admission $3 or free for museum members. For more information visit hhnaturemuseum.org or call 845-534-5506, Ext. 204.
Meet rescued farm animals — Catskill Animal Sanctuary, 316 Old Stage Road, Saugerties. 11 a.m. to 3:30 p.m. Saturdays and Sundays through fall. Take a tour, learn the site's history and mission, meet some of the 300-plus rescued farm animals and hear rescue stories. 845-336-8447.
Early morning birders — Minnewaska State Park Preserve, Route 44/55, New Paltz. 8 a.m. Tuesdays to Oct. 28. Outings led by birding volunteers and park naturalists. Meet at the Minnewaska main entrance and come prepared with binoculars. Outing destinations will be determined the day of the program. Call 845-255-0752.
Yoga at the Pavilion — Mohonk Preserve, 3197 Route 44/55, Gardiner. 6-7:15 p.m. Tuesdays to Sept. 30. Join Jacqui Nash, of The Yoga House, in a series of classes focusing on Vinyasa Yoga for beginner and intermediate students. Sign up for individual classes, any nine classes, or the full series. Bring your own mat and water. Held rain or shine. Arrive 15 minutes early to set up, so the class can start promptly at 6 p.m. Ages 12 and up are welcome. Children must always be accompanied by an adult. Reservations are required; call 845-255-0919 for reservations and program location. Space is limited; register early. The fee per person: Mohonk Preserve members $140 for the series (18 classes), $75 for any nine classes, or $10 per class for; nonmembers $180 series (18 classes), $95 for any nine classes, or $12 per class. Payment is required at the time of registration. If a program is canceled, a full refund will be issued. www.mohonkpreserve.org
Rock-climbing program — Mohonk Preserve, 3197 Route 44/55, Gardiner. Programs at 1 p.m. Saturday and Sunday through October, weather permitting. Interpretive program on "How Did the Rope Get Up There? History and Practice of Gunks Rock Climbing" and "Ecology and People of the Shawangunks, Yesterday and Today." No reservations required. Meet at the Trapps Bridge. These programs will last about 20 minutes and involve a gentle stroll. Nonmembers pay $12 day use fee. Children 12 and under are free. Children must be with an adult. 845-255-0919.
Coming Sunday in My Valley
• Get tips on how to dispose of unwanted medications.
• Green Gourmet Jim Palmeri offers a recipe for steak with seasonal tomatoes.