Backcountry’s website says coming this summer:
“Whether you’re exploring Rock Creek Park’s 2,000 acres, biking the Crescent Trail from Georgetown to Silver Spring, paddling the Potomac, or planning an outdoor adventure beyond DC, Backcountry is your one-stop shop for the best seasonal outdoor gear in the capital. Opening this summer.
Monday–Saturday: 11am–7pm
Sunday: 11am–6pm”
Stay tuned for an exact opening date.