Free things to do in Fairfax & Inner Northern Virginia, Washington, D.C.

Great Falls Park

📍 Great Falls · Fairfax & Inner Northern Virginia

NPS park overlooking Potomac River falls with overlooks and trails. Paid entrance; digital passes available via Recreation.gov.

💵 Entrance fee required (credit/debit only; no cash). Private vehicle $20; motorcycle $15; per person on foot/bike/horse $10 (ages 15 and under free). Passes valid 7 consecutive days; also valid at C&O Canal NHP. Annual park pass $35. America the Beautiful passes accepted.

🕑 Hours vary by season; see the official page

✓ Checked on the official page Nov 3, 2026