The Rail Trail and Property Values dataset includes information on a set of n = 104 homes which sold in Northampton, Massachusetts in 2007. The dataset provides house information (square footage, acreage, number of bedrooms, etc.), price estimates (from Zillow.com) at four time points, location, distance from a rail trail in the community, biking score, and walking score. The dataset is amenable to use with exploratory data analysis in introductory courses, intermediate courses with a focus on visualization and multivariate relationships as well as advanced courses that utilize repeated measures regression models and more sophisticated graphics.