Tom's Thumb Trailhead is one of the Arizona parks in thicket's catalog. thicket is a field guide to the parks near you: it maps the ones you have never noticed, gives you a reason to actually go, and keeps a record of where you have been.
Where it is
Tom's Thumb Trailhead is in Maricopa County, Arizona. Its approximate coordinates are 33.69579, -111.80227.
Check in at Tom's Thumb Trailhead
thicket verifies you are actually here by GPS when you check in, so a visit means you went. Checking in builds a streak, earns achievements, and fills in your map of the places you have been.