Hey this is Simon,I have been working at River Riders for 6 years and I am in charge of all the things that require a Drivers License! I am also a White Water Kayaker who paddles a ton on the Potomac and Shenendoah River. I will chime in when something cool is happning, like high water or play spots and such so stay tuned. Post as many comments as you want if you need specific info. Be in touch:)