Join us on a slow-paced hike along the high, back-country ridges of Fremont Canyon, part of OC Parks’ Irvine Ranch Open Space. We’ll hike past an abandoned coal mine to the Fremont Canyon Weather Station where winds have been recorded in excess of 100 mph. The weather station is in important component of fire management activities in this area of the Irvine Ranch Natural Landmarks. Total round trip distance is 6 miles with an elevation gain of 1200 feet at an average moving rate of 2.0-2.5 miles per hour. Some of the hills are strenuous and we will take breaks as needed.

Each participant must carry his or her own day pack and water and be comfortable hiking an average moving pace of 2.0-2.5 miles per hour. Please make sure you have a minimum of 70oz. (2 quarts) of water. Under prepared participants may be denied access to this program.

Please note that you will be asked to adhere to the following measures during the activity in order to participate:

• Be registered in advance, no walk-up registration is permitted.
• Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
• Restrooms will be available, but facilities will not be sanitized for each individual.
• All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
• You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering. To learn more about the staging areas and activity locations, please visit our Staging Areas Playlist page.

Learn more and register here.