You might try contacting Burley Bicycles. It is likely they have something suitable.
At 5:38 PM -0700 8-18-07, Charles Andrews wrote:
>Carmen and I are planning to go to Portland Oregon in October for a ride
>and to visit family, and we were thinking of driving up with our tandem.
> It's a hellacious drive though, and I'm not sure we want to spend that
>much time on the road.
>We would fly, if we could *rent* a tandem on the other end. Does anyone
>here know of any likely sources I could contact about renting a decent
>road tandem for the ride?
>Please e-mail me if you have any leads.