In short
- Swimming is allowed but the water is cold alpine runoff.
- There are no changing rooms or lifeguards on the island.
- Pack a swimsuit and towel if you plan to get in.
In this article
Arethusa Pool sits 150 meters above Lake Wānaka. This small glacial lake offers a unique place for a quick dip during your island visit. Be prepared for basic conditions and freezing temperatures.
Can you swim in Arethusa Pool?
Yes, visitors are allowed to swim in the pool.
The pool is a natural glacial lake. The water is extremely cold year-round. Bring a towel and warm clothing layers to heat up after your swim.
Are there changing facilities at the pool?
No, there are no changing rooms at Arethusa Pool.
Mou Waho Island is a remote nature reserve. The only facility on the island is a basic composting toilet near the start of the track. You will need to wear your swimsuit under your hiking clothes.
What should I pack for an Arethusa Pool swim?
Bring your own swimsuit, towel, and warm layers.
Since the island has no shops or rental facilities, you must bring everything you need on the boat. Pack a waterproof jacket and closed-toe shoes for the hike up.
How do I get to Arethusa Pool?
You must walk under 3 kilometers return from the boat landing.
The trail is steep and climbs 150 meters to reach the pool. The hike takes time, so monitor your 2-hour window on the island. Water taxis take 35 to 40 minutes each way from Wānaka Marina.
Is the water clean?
The water is natural alpine runoff, but it is not treated for drinking.
Do not drink the water in Arethusa Pool. There is no drinking water available anywhere on Mou Waho Island. Bring a reusable water bottle filled from the mainland.
What are the rules for swimming?
Follow standard Leave No Trace principles during your visit.
Take all your rubbish with you. Mou Waho Island is a strict predator-free reserve. Do not feed the native Buff Weka that live near the picnic area.
Questions travellers ask
How much time do I have at the pool?
Most water taxi and tour bookings allow about 2 hours on the island. The hike up takes time, leaving roughly 30 minutes to spend at the pool.
Are dogs allowed at Arethusa Pool?
No, dogs and pets are banned on Mou Waho Island because it is a predator-free reserve.
Do I need a guided tour to swim?
No. You can book a basic water taxi and do the walk independently.
