Friday, May 16

Arthritis Water Walk

Become a Water Warrior at Mount Vernon RECenter’s Arthritis Water Walk by joining a water exercise or swim class. All ages are welcome to exercise for free while raising money for the Arthritis Foundation. Participants will learn about arthritis and receive free goodie bags and refreshments. Hourly workout times start at 6:30 a.m. and end at 12:30 p.m. For more information, call 703-768-3224.

Nature Night Hike

Join us for a nighttime hike over wooded terrain from 8:30 to 10 p.m. as we try to encounter some of the “nightlife” in Lake Accotink Park. Participants will learn about nocturnal activities of forest residents. Dress for the weather. Meet at the park’s Visitors Center. Adults bring a flashlight. The hike is appropriate for children ages seven and older. The cost is $5 per adult and $3 for children under 16. Prepaid reservations are required. To reserve, call 703-569-0285.

Ponderings – Scavengers

Naturalist Brian unveils the strange world and sometimes disgusting diet of scavengers at Hidden Pond Nature Center from 4 to 5 p.m. Be prepared for the worst. Reservations are required. The cost is $4 per person. To reserve, call 703-451-9588.