Dedicated to our natural world
As master naturalists, we are committed to caring for the fragile and irreplaceable resources in our natural environment.
Dyke Marsh at sunset/Oliver Torres photo

Arlington Regional Master Naturalists are trained volunteers who share a love of the natural environment and a commitment to service in local communities.
We volunteer at more than 30 local parks to restore native habitat and promote biodiversity. We participate in citizen science, collecting data for a better understanding of our environment. And we strive to inspire a greater appreciation for nature through education and outreach.
ARMN was formed in 2008 as a chapter of Virginia Master Naturalists, a statewide corps of naturalist volunteers dedicated to the beneficial management of our natural resources. Learn more about ARMN here.
Join ARMN!
Become a Virginia Master Naturalist by taking our 14-week Basic Training Course. We offer courses in the spring and fall. The application period for the Spring 2023 class has closed. Learn more about the program and how to apply here.

Photo by Paul Smith
Volunteer With Us!
Get outside and help us clear choking invasive plants from natural areas of our parks. We have multiple events every week.

From the ARMN Blog