19-May-2021 -- Returning from Salt Lake City to my home in the San Francisco Bay Area, I made a detour around the northern end of Utah’s Great Salt Lake to visit three attractions: The Golden Spike National Historical Park, The Spiral Jetty, and the public display of solid rockets outside the Thiokol plant. Afterwards, I decided to visit this Degree Confluence Point, not far away.
I took the same route as the previous visitors, Shawn Fleming and Jerry Heikkinen in August 2017: At [41.96633,-112.94428] (opposite an electrical substation), I took the dirt road northbound. Then, at [41.99858,-112.94470], just before crossing into Idaho, I drove westward along a farm doubletrack that lies on the southern (Utah) side of the boundary fence. This 2.8-mile drive - including passing through two farm gates - took me just 0.13 miles (about 200m) South of the point. After arriving at 113 Degrees West, I parked, crossed the fence, and hiked the rest of the way. The point lies in a flat, sagebrush-covered field, and is still marked by the metal wheel noted by Fleming and Heikkinen.
The 42 Degrees North line of latitude is a significant line in the western United States, as it forms the (approximate) border between California, Nevada, and Utah to the South; and Oregon and Idaho to the North. Several Degree Confluence Points lie along this line, all close to state boundaries. I have now visited all of these, except for [42,-116] (which lies within a Native American reservation, and requires special permission to visit).
Here is a remote-controlled aerial video of this confluence point.