With holes varying from 90 to 150 yards, the Marwell Course is a great way to get juniors hooked on the game or to fine-tune your short game. It’s also perfect for learners, or if you haven't got time for a complete round. With holes varying from 90 to 150 yards, the Marwell Course is a great way to get juniors hooked on the game or to fine-tune your short game. It’s also perfect for learners, or if you haven't got time for a complete round.