Lake Tekapo (Takapō) sits in the Mackenzie District of Canterbury on New Zealand's South Island, a glacially fed lake known for its distinctive milky blue-green water, a colour produced by fine glacial rock flour suspended in the water column. The lake is large enough that once on the water, the far shores seem to recede indefinitely, giving paddlers a sense of considerable open exposure.

Water levels fluctuate significantly throughout the year, as Tekapo is an important hydro lake that can rise and fall by many metres. This variability affects boat ramp usability and can expose or submerge hazards along the shoreline, so paddlers should check conditions before launching. The water is glacially cold, consistent with its origins, and wetsuits are advisable; a local hire operator stocks wetsuits and boat shoes for those unprepared for an unplanned swim.

The main access point for paddlers is near the township on Lakeside Drive, in front of the campground, where a designated swimming and canoeing area provides a sheltered, family-friendly launch zone. A second boat ramp on the eastern shoreline, a few minutes from town on Lilybank Road, offers access to another watersports zone. Paddlers should be aware that the beach near the campground is also a designated waterski and watersports zone, meaning motorised traffic shares the water in that area.

The lake contains at least one island — Motuariki Island — which has been paddled to as a day-trip destination, with a round trip reported at roughly three hours. Along the shoreline there are pebble beaches suitable for rest stops. The surrounding landscape features arid, sun-drenched mountain terrain, and the Godley Valley extends from the lake's upper reaches.

The primary paddling season runs from Labour Weekend (late October) through to the end of March, with the best conditions on fine, calm days. Wind is the main weather hazard; the area can experience strong winds that make open-water paddling inadvisable. Mornings tend to offer calmer conditions before afternoon winds develop, though this is a general alpine lake pattern rather than a guaranteed forecast.

Kayak and stand-up paddleboard hire is available from a local operator based at the lakefront near the campground, offering singles from $30 per hour and doubles from $60 per hour, with introductory instruction available by arrangement.