📜 Panum Crater is a volcanic cone that formed over 600 years ago, located just south of Mono Lake. It is the youngest and northernmost of the Inyo-Mono Domes, a rhyolitic plug-dome volcano, still technically active but monitored by geologists. # Why Go 🌋 Explore a unique volcanic cone with a preserved tephra ring. 🥾 Hike two trails: Plug Trail (inside crater) and Rim Trail (Mono Lake views). 💎 See massive obsidian formations and other unique rock types. 🏞️ Enjoy stunning views of Mono Lake and Sierra Nevada Mountains. 🚶 Easy access to a trailhead with an interpretive kiosk. # Why Avoid 🚽 No restrooms at trailhead. ⚠️ Road to trailhead can be rough, requires care for ordinary passenger cars in dry weather. # Cost 💰 Free # Hours 🕒 Open all year round # Parking 🅿️ Large parking area at trailhead, usually not crowded. # Tips 🗺️ Use navigation for trailhead, turn off US-395 on CA-120. 🥶 Pack extra layers, especially in winter for snow-capped views. 🚫 Stay on established trails; no collecting rocks.