Welcome To Adventure Sports Center International

For Whitewater Reservations and Questions Call Wisp Resort at 1-877-300-2724

Whitewater Rafting

A great way to try whitewater rafting and have an amazing adventure

Book Online

Inflatable Kayak

Duckies allow novice paddlers to explore whitewater rapids

Call 1-877-300-2724 to book

Private Boating

For experienced paddlers who have their own whitewater equipment

Call 1-877-300-2724 to book

Adventure Everywhere

For Kayak Instruction, Rock Climbing, Hiking, and Biking Call Adventure Sports Institute at 301-387-3320

Rock Climbing and Rappelling

Scale spectacular boulders, cliffs, and ledges nestled in the woods

Call 301-387-3320 to book

Kayak Instruction

Learn to kayak in a controlled whitewater environment

Call 301-387-3320 to book

Hiking and Biking

Explore the 550 acre protected Fork Run Recreation Area

Call 1-877-300-2724 to book


About Adventure Sports Center International

ASCI operates the world’s only mountaintop whitewater course,and introduces thousands of people to guided rafting and other adventure sport activities each year.

Closer than You Think

ASCI sits on top of Wisp Mountain in McHenry, MD, about 3 hours from the Washington, DC area, 2 hours from Pittsburgh and within a 5 hour drive for over 26 million people. From I-68, ASCI is about 16 miles (same distance as Deep Creek Lake).

Driving Directions:

From MD 219 in McHenry, MD (traveling north, turn left on Sang Run Road; traveling south, turn right on Sang Run Road). Go ¼ mile and turn left onto Marsh Hill Road. Take Marsh Hill approximately 1 mile, turn right on Overlook Pass. At the top of the hill, turn right, ASCI will be about ¾ of mile on the left.