Mention the words "Columbia Gorge" to Pacific Northwest (PNW) locals, and they'll almost certainly bring up Multnomah Falls, Vista House ... but a river does not simply consist of one bank.

For just $10 each way, you can take the Columbia Gorge Express bus from Portland's Gateway Transit Center. It will drop you off at Multnomah Falls, Hood River or Cascade Locks. (If you live nearby ...