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Place guide · Ritidian

Ritidian Point

Ritidian Point

A wildlife refuge at the northern tip of Guam, with white limestone cliffs, a historic lighthouse, ancient Chamorro cave sites and one of Guam's most important pre-contact archaeological deposits.

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01

A closer look

Ritidian Point is the northernmost tip of Guam, a headland of white limestone cliffs dropping steeply to the Philippine Sea. The Ritidian Unit of the Guam National Wildlife Refuge covers most of the headland and has been progressively opened to the public after decades of US Navy use as a training and target range. Unexploded ordnance surveys have cleared additional tracts, and a network of short trails now connects the beach, the cave sites and the lighthouse area, all managed jointly by the Navy and the US Fish and Wildlife Service. The process of returning this landscape to public access has been gradual and is ongoing; some interior areas remain formally off-limits while surveys continue.

The limestone bluffs are riddled with caves that contained some of the most significant pre-contact archaeological deposits found in the Mariana Islands. Pottery fragments, stone tools and structural latte stones have been recovered from the cave floors, establishing Ritidian as a primary site for understanding pre-colonial Chamorro culture. A short interpretive loop leads to the cave entrances, where displays explain what was found and why the site matters, though the cave interiors themselves are not open for free exploration. The latte stones — tall stone columns topped with a hemispherical capstone — are particularly striking in the cave context, where they were found in positions suggesting domestic or ceremonial use.

Seabirds nest in the cliff face in large colonies: white terns, brown noddies and frigatebirds that soar on the updrafts along the cliff edge. The beach at the foot of the bluffs is a nesting site for sea turtles, and the nearshore water is clear and popular with snorkellers, though there are no facilities here and no lifeguards. The bird colonies are most active in the morning, and early arrivals are rewarded with the full noise and movement of the nesting activity. A lighthouse stands near the northern tip, built in 1902 and now automated; it is not open for tours but is visible from the cliff trail on clear days, its white tower a landmark against the blue sea.

The ironwood trees that shade the lighthouse area were planted during the military period and create a shaded picnic spot that contrasts sharply with the open limestone headland. For a small island, Ritidian offers a striking diversity of terrain: cliff, cave, beach and forest within a walkable area, and the feeling of remoteness despite being only twenty minutes from the airport. The approach road passes through a landscape of tangantangan scrub and military infrastructure before emerging at the coast, and the transition from the built environment to the natural landscape is abrupt and memorable.

One of Guam's most significant pre-contact Chamorro archaeological sites, with cave deposits and latte stones.

A protected wildlife refuge with nesting seabirds, sea turtle nesting beaches and clear snorkelling.

The 1902 Ritidian Point Lighthouse and panoramic views of the Philippine Sea from the cliff trail.

02

Before you go

Current details checked July 2026

Best season
Dry season (January–April) is most reliable; the site is exposed and can be affected by typhoons in the August–October window.

Sea turtle nesting season runs approximately May–November; visitors may encounter posted nest protection areas on the beach during this period.

Editorial guidance
Before you go 1
Check the US Fish and Wildlife Service website for current access advisories; some areas remain closed due to ordnance surveys.Editorial guidance
Before you go 2
Bring water and sun protection; the cave trail is exposed and hot, and there is no shade near the bluffs.Editorial guidance
Before you go 3
The beach is remote with no facilities; allow time to walk the full loop trail, roughly 45 minutes at a gentle pace.Editorial guidance
03

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04

Practical notes

Note 1

Ritidian Point is located at approximately 13.585° N, 144.859° E on the northern tip of Guam.

Note 2

The Ritidian Unit of the Guam National Wildlife Refuge was formerly a US Navy training and target range; access restrictions from that period have been progressively lifted.

Note 3

The Ritidian Point Lighthouse was built in 1902 and automated in 1975.

Note 4

Archaeological surveys have identified significant pre-contact Chamorro deposits in the cave sites, including pottery, stone tools and latte stones.

Note 5

2026 specific access advisories and closed areas are not pinned in this batch.