Naperville North High School:		630-420-6490
Southwest corner of Ogden Avenue and Mill Street in Naperville.  During
fall school season, courts are unavailable until after 6pm due to tennis
team practice.

Take I-88 and get off at Naperville Road, follow ramp to traffic light
on Naperville Road, then:
Turn left and go 500 yards to the light at Warrenville Road.
Turn left and go ~1.5 mile on Warrenville to light at Mill Streeet.
Turn left and go ~1.5 mile on Mill Street, past Ogedn Avenue.
Courts are on the right side, 1/4 mile past Ogden Avenue.

Source: http://tennis.ih.lucent.com/~tennis/club/