Join Botanist and Plant Ecologist Clay Antieau for a nature walk from 9 a.m. to noon on Aug. 11 in Bridle Trails State Park.

Learn about the natural history of the park from a popular field trip leader and a local authority. Learn how to identify plants, see some rare and unusual species, and discuss problems that urban forests face with invasive species.Meet in parking lot at Ben Franklin Elementary in Kirkland. Please sign up in advance.

For more information visit www.bridletrails.org or call 425-827-6595.