Approximate location — plotted from published sources, not a site visit, and not a guarantee of access.
BLM-developed hub of Río Grande del Norte National Monument where the Red River joins the Rio Grande in an ~800-ft basalt gorge. Zimmerman Visitor Center, rim overlooks, campgrounds, and steep trails (including Big/Little Arsenic) drop to riverside hot-spring seeps and wild-and-scenic river views on the Taos Plateau.