Its a long , long walk on a hot day. Taxi would have to drop you off and pick you up at entrance since a parking permit is also required to enter park. No passes are sold at park ! See comment above.
Yes but you'd have to get a day pass either at town hall or the civic Center in old greenwich. Passes are only sold mon-fri. It's about a mile to the beach from the Old Greenwich train station
Yes I think so you get a pass before go to tods at old Greenwich civic center
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