The Washington Crossing Park Association works to preserve, enhance and advocate for the park and the history it represents. The Association strives to educate citizens and enrich their quality of life through knowledge of and exposure to the park. The Washington Crossing Park Association of New Jersey (WCPA) works to preserve, enhance and advocate for the Washington Crossing State Park of New Jersey and the history it represents. The Association strives to educate citizens and enrich their quality of life through knowledge of and exposure to the park.