Plot out your walk in the woods with Michigan Trail Maps (www.michigantrailmaps.com), which offers more than 300 trail guides. Search by city, county, trail distance or activity (birding, day hikes, backpacking etc), then download and print the high-quality maps as PDFs. It covers trails statewide.
Michigan Highway Conditions (www.michigan.gov/mdot)
Michigan State Park Information Park entry requires a vehicle permit (per day/year $9/33). Tent and RV sites cost $15 to $45; reservations accepted (www.midnrreservations.com; fee $8). Some parks have wi-fi.
Travel Michigan (www.michigan.org)