North on I5 from Seattle to Mount Vernon. Maps of the various tulip fields can be optained online on the Skagit Valley Tulip Festival web site.
Before planning your trip check online to see when the tulips will bloom and make sure you come before the end of the tulip festival because the farmers will cut off the blooms as soon its over. The daffodil fields will bloom before the tulips.
Tulip Field in the Skagit Valley of Washington state.