Mission accomplished! We snaked our way down 181st Street, descended into the forested west side of Upper Manhattan, and wandered down to the river, where lo and behold the Little Red Lighthouse was there, alive and well, tucked under the massive trestles of the George Washington Bridge.
Here’s the view from under the bridge:
Here’s the view across the river:
Here’s the lighthouse with the bridge (for scale):
The Red Lighthouse’s plaque:
And the gorgeous view of Manhattan hiding downstream along the Hudson River: