This is a strenuous 10-mile lollipop loop hike on footpaths and carriage roads with an optional swim at the beach, and a short rock scramble to Castle Point led by Siu S. Yuen. Advance registration is required. Registration is limited to 12 hikers. Registrants will receive the meeting location by email. The fee for parking is $10 per car or free with an Empire Pass. Registration will close 48 hours before the hike.