Hike from Fern dell to Observatory

This hike is a moderate hike since we are going up hill. We will first walk through scenic Ferndell (with streams, and lots of ferns) to the Griffith Observatory where we will take break --20 -30 minutes. Hike is under 3 miles with 620 feet. No beginners. Bring water and sneakers.
https://www.hikespeak.com/trails/ferndell-trail-griffith-park-western-canyon/
Need minimum of 8 signed up.