Water Country Water Park, located in Portsmouth New Hampshire, is New England’s Largest Water Park Water Country Water Park, located in Portsmouth New Hampshire, has 18 attractions well suited for all ages, including classics like Adventure River and New England's largest wave pool, the Portsmouth destination celebrates 40 years with two new, immersive slide experiences coming in 2023. Water Country offers 26 acres of family-filled, summer fun. Tiny tots love Tahiti Treehouse and Pirates Lagoon, while teens flock to thrilling water slides like Dragon’s Den and Dr. Von Dark’s Tunnel of Terror. Capture the thrills of New Hampshire's best outdoor adventures with the comfort of our poolside loungers or luxury cabanas!
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