Here’s a list of all 68 stadiums that come with the game along with their altitudes and field dimensions. There are two stadiums above 5000 feet (Coors Field and Laughing Mountain Park), one at 3002 feet (Shippett Stadium), five over 1000 feet, twenty three between 550 and 990, thirteen between 127 and 455, twenty four that are between 6 and 55 feet in altitude. Most of the Minor League and Classic stadiums have a very large field dimension.
Clicking on the photo will bring up a larger image in a new window. The photos will allow you to see the general height of the outfield walls.