The effect is startlingly visible. The weather at Point Reyes can change considerably during the course of the day. Wear layers that you can add and remove as the temperature drops and rises. Walking along cliff tops and bottoms can be dangerous. The unstable rocks break away easily causing hazards both at the top and bottom.
Some plants are deadly poisonous .
Avoid grazing along the trail. Poison oak, a three-leaved shrub with green, red, yellow or brown leaves, should be avoided. Contact with the oils on the leaf surface can cause an allergic reaction. Itchy, oozing contagious blotches can appear for up to a week on affected areas. Stinging nettle causes stinging, itchy bumps that feel like ant bites.