Holiday Schedule: Martin Luther King, Jr. Holiday

Arlington County Government offices and services are operating on modified schedules for the Martin Luther King, Jr. holiday on Monday, Jan. 19, 2026.

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History Hikes: Defending Chain Bridge Hike

Families. Explore the remnants of Forts Marcy and Ethan Allen, built by the Union Army to defend the Chain Bridge, to learn the stories of the forts and their defenders at this important junction between north and south. This is a three mile loop-hike over occasionally rocky and steep terrain. Registration Required.