Waterfall Trolley » MEMBER DIRECTORY View All The results are being filtered by the organization: Waterfall Trolley Clear Search A B C D E F G H J K L M N O P Q R S T U W Z Waterfall Trolley Waterfall Trolley Work Phone: 503-241-7474work Personal Email: [email protected]INTERNET Website: Waterfall Trolley/Gray Line Categories: Attractions, Guide Services, Tourism Updated 1 year ago.