We did the mountain coaster and the tub park. Excellent. Everyone had a great time.

But very crowded and loud, so once or twice is enough. There is plenty to do, but the lines can be a bit long, and I found it a bit overwhelming.

We visited on a Thursday, August 28th for an 11am run. We stopped by the office the day before to reserve a space and were told to be there by 10:30. Staff was very nice and check-in went smoothly. My husband and I were eager to try white water, but had never been. My 11 year old son had had... More

Some reviews have been negative. My experiences have always been excellent but then I am a local and tend to avoid the busy periods. Some local guides poo-poo the place since it is not real white-water, but the pump-driven "river" makes for a consistent and good experience. The guides (I have always done rafting) have always been excellent. I suspect... More

We drove all the way from Baltimore to McHenry to go to ASCI with our kids based on the information found on the ASCI website. The water wasn't running, and the middle aged lady in the shop said they weren't sure they would be doing an afternoon run because they didn't have "enough" customers to run the pumps. Well, we... More

My family had a good experience at ASCI. We were there to participate in the Open National Competition for White Water Slalom in August, 2008. The folks at ASCI had arranged to provide some dedicate slalom practice times on the river, as well as the opportunity to practice at the same time that the rivier raft trips were being conducted.... More

A group of friends and I have planned to spend a day on this controlled river. We have made reservations for the weekend (as they tell you on a website - 48 hours in advance), planned to come there Saturday night, sleep over at the hotel, do the river, then come back. We live in Maryland, in between Baltimore and... More