Due to its scarcity, no stores are guaranteed to stock Pappy Van Winkle's 15-, 20- or 23-year-old bourbon. The best bet may be to look for Pappy Van Winkle bourbon for sale by private sellers at LiquorList.
The Old Rip Van Winkle Distillery in Frankfort, Kentucky, brews bourbon in small batches and releases only 7,000 to 8,000 cases per year. In addition to Pappy Van Winkle's Family Reserve, the distillery produces Old Rip Van Winkle 10-year, 107-proof bourbon, Van Winkle Special Reserve bourbon and Van Winkle Family Reserve rye.
Federal law prohibits distillers from selling directly to the public. The Old Rip Van Winkle Distillery website offers a partial list of retail and wholesale vendors that carry Pappy Van Winkle's bourbon when stock is available.