After passing Emerald Pools and continuing to follow Yucca Creek within Crystal Cave in Sequoia National Park (CA), you soon come to Junction Room. This is the first large room that you come to in Crystal Cave, and as the name indicates, is a junction room that you will eventually come back to during the tour of Crystal Cave. The room is distinctive from the large rectangular rock formation in the center of the room:
In addition to being the junction area of the cave, Junction Room also has a nice display of soda straws and popcorn cave formations:
Yucca Creek also flows directly through Junction Room: