Bethells Beach Te Henga
A west Auckland black-sand beach with a dune field behind it and a hidden lake reached by walking over the sand.
Updated 27 August 2026
Te Henga, usually called Bethells after the family who farmed here, is the northernmost of the west Auckland black-sand beaches and the one with the biggest dunes. The Waitakere River comes out across the sand, and the walk most people do goes the other way: over a ridge of soft dune behind the beach, about twenty to thirty minutes through sand that makes the effort disproportionate, to Lake Wainamu, a dark dune-dammed lake surrounded by bush where people swim in summer. Back at the coast there are caves at the northern end reachable at low tide and a headland track. The beach is patrolled by a surf club in the summer season, and the same Tasman rips apply as at Piha and Karekare. There is no shop of any kind, and the road in ends at a small car park that fills early on hot days.
What's there
- The dune field - the soft climb between beach and lake.
- Lake Wainamu - dune-dammed, dark, swimmable in summer.
- The caves - at the northern end, at low tide only.
- The river mouth - the Waitakere crossing the black sand.
When to go
December to March, when the surf club patrols. Go early on hot weekends - the car park is small and fills.
Things to know
The dune walk is harder than it looks and there is no shade on it. Rips are dangerous outside the flags. No shop, no cafe. Check tide times before planning on the caves.
Nearby
Muriwai is north; Piha and Karekare are south along the same coast.
What to pack for Bethells Beach Te Henga
Chosen from what this place is for. Tap a kit for the full checklist.
- Reef-safe sunscreen - High SPF that will not bleach the coral you are swimming over. Find on Amazon
- Quick-dry clothing - Board shorts or synthetics that shrug off spray and dry fast. Find on Amazon
- Head torch + spare batteries - Hands-free light is essential; caves are truly dark. Find on Amazon
- Loose, light, long clothing - Covering up beats bare skin in the desert - and locals dress this way for a reason. Find on Amazon
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