National Park of American Samoa

South Lagoon Coastal Walk

easy FamiliesSnorkelersCultural History
2.5 mi Distance
100 ft Elevation Gain
1.5 hours Estimated Time
roundtrip Trail Type

What to Expect

This is one of the most accessible walks in all of American Samoa, and it delivers far more than its modest stats suggest. The path hugs the southern coastline of Ofu island, tracing the edge of a lagoon that holds some of the healthiest coral reef in the entire US national park system. The elevation gain is barely noticeable — think parking-lot-to-second-floor, not actual hiking. You'll pass through stretches of coconut palms and pandanus trees that offer intermittent shade, with openings that frame turquoise water so vivid it looks artificial. Ancient Samoan cultural sites dot the route, including stone platforms that predate European contact. The reef flats at low tide are a whole second attraction — tidal pools teeming with life just steps off the path. This walk is perfect for anyone who wants a Pacific island experience without breaking a sweat, and for snorkelers scouting their next entry point.
FamiliesSnorkelersCultural HistoryPhotographersEasy Strolls

Safety Advisory

Coral cuts are the real hazard here. If you wade into the reef flats, wear water shoes — coral lacerations heal slowly in tropical humidity and infect easily.

The tropical sun at this latitude is punishing even on overcast days. UV intensity near the equator is significantly stronger than the mainland US, so reapply sunscreen every hour.

Trail Details

Distance 2.5 miles round-trip
Elevation Gain 100 ft
Difficulty easy
Estimated Time 1.5 hours
Trail Type roundtrip
Pets Not allowed
Season Year-round
Trailhead South Lagoon Coastal Walk

Pro Tips

Trail Tip

Time your walk for low tide — the exposed reef flats along the lagoon reveal tidal pools and make the coral formations visible from shore, essentially doubling the things worth stopping for.

Trail Tip

Bring reef-safe sunscreen and a hat with a chin strap. There's minimal tree cover along several exposed stretches, and the trade winds that feel refreshing will trick you into a serious burn.

Trail Tip

The coral viewing is best near the midpoint of the walk where the lagoon shallows out. If you brought a snorkel mask, this is the spot — wade in from the sandy gap between the rock shelves for the clearest water access.

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