[6] The open-space area is home to plants such as coastal sage scrub, chaparral, Lyon's pentachaeta and Conejo dudleya.
[10] It is frequently used as a spot to smoke marijuana and consume alcoholic beverages, particularly by California Lutheran University students.
[12] A rock formation that spells out "CLU" can be found atop Mount Clef on the campus of California Lutheran University, and a 30-foot cross is located just east of the landmark letters.
[13] This part of the ridge, Dr. Rudy Edmund Living Laboratory, was dedicated on May 5, 2003, in order to enhance student research in biology and geology at the university.
[14][15] The area's namesake, CLU professor Rudy Edmund, published extensively on the need to preserve Mount Clef Ridge.