[Original Article: 10.4: A simple way to copy the path to a file or folder • comment by: AlwaysLearning]
@barrysharp is correct. Go to Finder >> View >> Show Path Bar (Alt+Cmd+P)

For example: you can click-drag any drive or folder icon shown in the Path Bar into a Terminal Window to have its full path typed automagically for y …

Source: Mac OSX Hints