Mou Waho is the largest island in Lake Wānaka, a forested ridge that rises from the middle of the water and is managed as a nature reserve. This cruise carries you across the lake, with views back to the town and across to the mountains, before landing at the island’s jetty. From there a walking track climbs through native bush, home to birds and ferns, to the Arethusa Pool, a small lake on the summit that holds a tiny island of its own. The walk is gentle, with steps in places, and takes around an hour. On the return the boat may call at other islands or run slowly along the shoreline. It is a peaceful, scenic outing that suits families, nature lovers and photographers.
How to visit
Cruises depart from the Wānaka waterfront or nearby, with options for a guided walk or a self-guided walk. Duration and inclusions vary, so check the product description, but expect two to three hours in total. Footwear with grip is recommended for the island track, and sun protection and water are essential. Weather and lake conditions can affect schedules, particularly in strong wind, and operators may adjust times. Book ahead in summer when the boats can fill.
What to expect
The crossing takes around twenty to thirty minutes, with commentary on the lake’s history, geography and wildlife. On the island, biosecurity measures protect the reserve, and you may be asked to check your bags and shoes for seeds or pests. The walk to the Arethusa Pool passes through regenerating bush and offers glimpses of the lake through the trees.
The pool itself is still and dark, with a small island that gives it a storybook look. Birdsong is common, and you may see fantails, bellbirds and other native species. Take your time, because the island is meant to be savoured.
Making the most of it
Choose a calm day for the smoothest crossing and the best reflections. Pack a light picnic if allowed, and bring a camera for the views. Guided versions add stories about the island’s ecology and history, while self-guided versions give more freedom. The cruise combines well with a lakeside walk or a swim afterward, and families often find it a gentler alternative to a mountain hike. If you are interested in island hopping, ask the operator about Ruby Island and Stevensons Island options.
Good to know
The island is a reserve, so stay on the track, take all rubbish with you and do not disturb wildlife. There are no shops or cafes on the island, so bring water and snacks. Toilets may be limited, so use facilities on the mainland before you go. Mobility access is limited because of steps and uneven ground. Ask the operator about children’s age limits and safety equipment, and wear a life jacket on the water if provided.
Both guided and self-guided versions of this trip exist, so choose according to how you like to travel. The guided version adds context about the island’s plants, birds and the recovery work done by conservation volunteers, while the self-guided one lets you linger at the pool and take photographs in your own time. Either way, the contrast between the island’s quiet bush and the busy town just across the water makes the trip feel further away than it is.
What to expect
The experience
A boat crossing to Lake Wānaka’s largest island, followed by a bush walk to the Arethusa Pool.
Best time
Calm mornings and afternoons in spring, summer and autumn.
How long
Two to three hours including the cruise and walk.
Tips
Wear shoes with grip, bring water and sun protection, and check your bags for seeds and pests at the island.
Quick picks
- Best for
- Nature lovers and families who want a gentle lake outing.
- Families
- An easy walk and a boat ride suit most children.
- Couples
- A quiet, scenic escape with photo opportunities.
- Pair with
- That Wānaka Tree or a lakefront dinner.
- Time needed
- Half a day.
Good questions
What is Mou Waho?+
It is the largest island in Lake Wānaka, a forested nature reserve with a small lake on its summit called the Arethusa Pool.
How long is the walk on the island?+
The walk to the Arethusa Pool takes around an hour return, depending on pace.
Is the cruise suitable for children?+
Yes, children generally enjoy the boat ride and easy walk, but check age limits and supervise them near water.
What if the lake is rough?+
Operators may delay or cancel in strong wind. Policies vary, so read the terms.
Do I need to book ahead?+
In summer it is wise, since boats can fill. Check availability for your dates.