Zip Line Adventure PublishedJune 11, 2013at 960 × 1280 in Zip Line Adventure ← Previous Next → Zip line adventure at River Riders Adventure Park in Harpers Ferry. Zip line adventure at River Riders Adventure Park in Harpers Ferry. Post a comment or leave a trackback: Trackback URL. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Notify me of followup comments via e-mail Name * Email * Website Prove that you are a human! This site uses Akismet to reduce spam. Learn how your comment data is processed.