At the picnic spot near the Lewis Pass is a feature called The Sluice Box, which is a small chasm that the river passes through. It's a short, pleasant bush walk to get there.
This is a long exposure I made by bracing the camera against the bridge railing.
Location: Near Maruia, New Zealand
Body: Pentax K10D
Lens: Pentax DA 16-45/4 ED AL