Join SVT in Sudbury Oct. 5, from 9 a.m. to 12:30 p.m., to discover new sounds, sights and textures in a guided walk of the trails near Tippling Rock, located on the Nobscot Scout Reservation, of the Knox Trail Council, Boy Scouts of America. Little known, Tippling Rock has views of mountains in three directions. Participants will also get up close and explore the texture of plants and trees, the abundant birdlife and unique lichens. Program will be cancelled in case of rain. Free for SVT members or $10 for non-members. Call 978-443-5588 or visit www.sudburyvalleytrustees.org to register or more information.