Lake crash

Butch flicked the reins. The pegasi put on a burst of speed, and the chariot blurred. Piper's stomach crawled into her throat. Her vision went black, and when it came back to normal, they were in a totally different place.
A cold gray ocean stretched out to the left. Snow-covered fields, roads, and forests spread to the right. Directly below them was a green valley, like an island of springtime, rimmed with snowy hills on three sides and water to the north. Piper saw a cluster of buildings like ancient Greek temples, a big blue mansion, ball courts, a lake, and a climbing wall that seemed to be on fire. But before she could really process all she was seeing, their wheels came off and the chariot dropped out of the sky.
Annabeth and Butch tried to maintain control. The pegasi labored to hold the chariot in a flight pattern, but they seemed exhausted from their burst of soeed, and bearing the chariot and the weight of five people was just too much.
“The lake!” Annabeth yelled. “Aim for the lake!”
Piper remembered something her dad had once told her, about hitting water from up high being as bad as hitting cement.
And then—BOOM.
The biggest shock was the cold. She was underwater, so disoriented that she didn’t know which way was up.
She just had time to think: This would be a stupid way to die.Then faces appeared in the green murk— girls with long black hair and glowing yellow eyes. They smiled at her, grabbed her shoulders, and hauled her up.
They tossed her, gasping and shivering, onto the shore. Nearby, Butch stood in the lake, cutting the wrecked harnesses off the pegasi. Fortunately, the horses looked okay, but they were flapping their wings and splashing water everywhere. Jason, Leo, and Annabeth were already on shore, surrounded by kids giving them blankets and asking questions. Somebody took Piper by the arms and helped her stand. Apparently kids fell into the lake a lot, because a detail of campers ran up with big bronze leaf blower—looking things and blasted Piper with hot air; and in about two seconds her clothes were dry.

TLH ch.2