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MacKerricher State Park

Mendocino County, California · United States

What have people found?

Greater moon jelly, sea palm and eccentric sand dollar turn up here more than at our other tide pools. Ochre sea star, giant green anemone and aggregating anemone are the usual finds. ~73 distinct species have been recorded here, across at least 3 years of observations.

What is the best time to visit today?

Download the app to see the 7-day schedule.

See low tide times at MacKerricher State Park for the next three days
  1. Sun, Nov 158:25 AM3.8 ftin the dark9:28 PM0.5 ft
  2. Mon, Nov 169:49 AM3.7 ftin the dark10:17 PM0.8 ft
  3. Tue, Nov 1711:13 AM3.3 ftin the dark11:05 PM1.0 ft

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 August and December.

What should you know before visiting?

Parking is about 0.6 miles away.
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. Tide pool safety
A tide pool is a fragile place. Look and photograph, take nothing. The tidepooling code

What lives at MacKerricher State Park?

Species records from iNaturalist

Ochre Sea StarPisaster ochraceus
Giant Green AnemoneAnthopleura xanthogrammica
Pyrosoma atlanticumPyrosoma atlanticum
Aggregating AnemoneAnthopleura elegantissima
By-the-wind SailorVelella velella
California MusselMytilus californianus
Eccentric Sand DollarDendraster excentricus
Striped Shore CrabPachygrapsus crassipes
Pacific Sand CrabEmerita analoga
Gooseneck BarnaclePollicipes polymerus
Feather Boa KelpEgregia menziesii
Thatched BarnacleSemibalanus cariosus
Dungeness CrabMetacarcinus magister
Sea PalmPostelsia palmiformis
Greater Moon JellyAurelia labiata
Scan this tide pool on your next visit.

Every organism named, every visit logged to your journal.