I am flying into Seattle on Saturday the 15th. My brother is picking me up at the airport and will have his fat bike and Ritchey P-650b with him (luckily we are twins and this will make it easy). I have that day to ride as my son graduates the next day and then a large family road trip starts. So, tell me XC type trails that are relatively quick to get to from the airport, up to an hour away, as I still have to meet up with the rest of the family that afternoon. Go...