📜 Jam Up Cave is one of the most dramatic sites in the Ozarks and the largest riverfront opening cave. 🔍 Most of the cave, technically a natural tunnel, is filled with water from an underground waterfall. # Why Go 🌊 Dramatic views from inside 🏞️ Unique natural tunnel with skylight from ceiling fractures 🌿 Home to Ice Age species not seen elsewhere 🛶 Adventurous river access for exploration by paddling # Why Avoid ⚠️ Only accessible by paddling down Jack's Fork River 🚫 River floatable only in spring and some wet summers 🧗 Requires hiking up steep dolomite # Tips 🗓️ Visit in spring for river access 📍 Located 12.6 miles into Ozark's Scenic Jack's Fork