ATV's are fun to ride - but their power also makes it easier for them to damage the landscape. Keeping wheels out of lakes, rivers, and streams, planning routes in advance, and keeping your vehicle clean can help minimize damage and help keep public lands and trails open. ATV's and water do not mix: watch Know B4U Go (Video Link)
For information regarding motorized and non-motorized recreation, public land use zones, and public land closures, visit Alberta - Public Lands Information.
For more information on the rules and what you need to know before you head out on public land, download a copy of Alberta's Guide to Outdoor Recreation on Provincial Crown Land.