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Point of Arches

Clallam County, Washington · United States

What have people found?

California beach flea, sunflower sea star and northern leopard dorid turn up here more than at our other rock pools. Ochre sea star, giant green anemone and aggregating anemone are the usual finds. ~100 distinct species have been recorded here, across at least 2 years of observations.

What is the best time to visit today?

Download the app to see the 7-day schedule.

Predicted tide from Tskawahyah Island, Cape Alava, 9.2 kilometers away.

See low tide times at Point of Arches for the next three days
  1. Sun 15 Nov9:481.5 min the dark22:390.3 m
  2. Mon 16 Nov11:011.5 min the dark23:310.5 m
  3. Tue 17 Nov12:261.4 m

Every low tide each day, in local time at the shore.

Plan the week in Intertidal
  • A tide chart for every day, with the best window marked
  • Identify what you find from a photo
  • An alert when a good daylight low is coming

When do people visit?

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Most observations come from May and July.

What should you know before visiting?

Arrive 45 minutes to an hour before low tide and leave as it turns. The water comes back faster than it left.
Grippy shoes beat sandals. Wet rock and algae are more slippery than they look. Rock pool safety
A rock pool is a fragile place. Look and photograph, take nothing. The rockpooling code

What lives at Point of Arches?

Species records from iNaturalist

Ochre Sea StarPisaster ochraceus
Giant Green AnemoneAnthopleura xanthogrammica
Aggregating AnemoneAnthopleura elegantissima
Horned NudibranchHermissenda crassicornis
Northern Kelp CrabPugettia producta
Purple Shore CrabHemigrapsus nudus
Black TegulaTegula funebralis
Sunflower Sea StarPycnopodia helianthoides
Mossy ChitonMopalia muscosa
Red Sponge DoridRostanga pulchra
Leather StarDermasterias imbricata
Striped DogwinkleNucella ostrina
Northern Leopard DoridDiaulula odonoghuei
Red Rock CrabCancer productus
California Beach FleaMegalorchestia californiana
Scan this rock pool on your next visit.

Every organism named, every visit logged to your journal.