We stayed for 3 weeks in Washington D.C. so we could see all the sites without rushing.  This was a great place to stay.  A bit pricey compared to other areas of the country, but for a large metro area it wasn’t bad.  Here’s our review of the park on Yelp: http://www.yelp.com/biz/cherry-hill-park-college-park?hrid=htSJaIfUA2IA6U4YanaoCA