Limestone Canyon Regional Park

"One of my favorites hikes in Orange County. This place is private land and one must register in order to hike these natural landscape. The volunteer are helpful, experience and professional. They all have great stories to share about the landscape and their hiking experience."

"You must register online and make a reservation in order to get in. I followed a tour today and the group of 25 people hike together and we visit one side of the sink. I plan to visit the other side on a open pass access day. The park is beautiful and worth the 10.5 miles hike in my opinion. If you can walk that long at a moderate pace with confidence, you should come and see it. You should have some hiking experience or otherwise the entire group have to wait for you."

"This area is managed by OC Parks and the Irvine Ranch Conservancy. This is only open by appointment. It is a beautiful part of the old ranch that has been preserved in all its wild beauty. Visiting is a must if you like the wild outdoors."

"They had open access today. It is a beautiful place to hike, you can hike and horseback tide if that's you deal. I love this canyon area. Check "let's go outside" for other open access days. It was too hot for me today but I will go back."

"A great place for mountain biking. Lots of options for someone just getting started all the way up to the advanced rider. I don't recommend for small kids though."