At 840 acres, Central Park - which runs from 59th to 110th streets and is flanked by Fifth Avenue to Central Park West - is so enormous that it's almost impossible to miss and nearly as impossible to cover in one visit. Nevertheless, the intricate footpaths that meander with no discernible organization through the park are one of its greatest successes; after all, the point here is to lose yourself & or at least to feel like you can. To figure out exactly where you are , find the nearest lamppost - the first two digits on the post signify the number of the nearest cross street.