The Roxbury Land Trust will sponsor a guided spring nature walk at its Brian E. Tierney Preserve May 21 from 10 a.m. to noon.

Seasonal plants, birds and insects will be identified during the walk led by field biologist Betsy Corrigan and Peary Stafford, a local naturalist.

The 56-acre Tierney Preserve, which is located off Squire Road, features large glacial boulders and a series of waterfalls along Jack’s Brook called the Cascades.

The walk is limited to 16 people.

For more information and registration, call 860-350-4148.