Ours was $50, but it's like a minimum of 4 hours. And then as we left they gave us $25 coupons for the next time we go. They are really nice there. Let you go at your own pace and are very professional about the safety of everyone there. And it was real cold one day and rainy the next, we actually rescheduled ours 2 different times without paying anymore money than when originally booked.
Check on groupon. There were some 35$ coupons
I'd say it's on par with other Zipline courses. Around $60/adult. Check the website, too - sometimes there are special discounts.
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