The Hollows Conservation Area 3804 U.S. 14, Cary, IL 60013

"Very disappointed. It appears this has become an off leash park this year. A few years back my senior dog was attacked here by an off leash lab, and things haven’t changed at all. When did this become the off leash swimming hole for dogs? And what happened to all the brush around the trails? The main trail around the lake is a huge eyesore now. Bad job, MCC."

"The new photos show significant damage from a four wheeler crushing and digging out the fragile wetlands. As I have posted before, this is one of the worst managed parks I have ever visited."

"One of the best hikes I've done in the area. Really good trail system with variety and decent elevation in places. Will definitely be back!"

"Such a beautiful relaxing are. Very well kept, very clean & areas for hikers of all types. Birds & wildlife of all types for your viewing pleasure! Relics of times gone bye, don't know their history but it allows the mind to wander . Picnic areas abound & many areas with benches for resting. Beautiful tranquil water areas. As always watch where you walk, some areas are softer than others! You will not be disappointed....a weekend hike must !!"

"Visitors can trek on over six miles of looped nature trails. Favorite hikes include the one-mile trail around Lake Atwood or the 1.3-mile hiking trail that meanders through woodlands and along the picnic grove. During the winter when there is four inches of snow, two miles of trails are groomed for cross-country skiing. Picnicking Pack a lunch and enjoy a picnic at a picnic table or for a larger gathering, reserve a picnic grove or shelter. For Camping Pitch a tent, gather around a campfire, and enjoy the starry skies. The campgrounds can accommodate both single families or larger groups (from 1 to 100 people per night). Access to fishing and a variety of hiking trails make this a popular camping destination. The campground is open April 1 to December 1 and can be reserved daily for up to a three-night stay. Reservations and payment must be made online at least one week in advance."