Source-reported preserve location: 34.6551279, -86.413133 (opens Google Maps in a new tab)
Publisher-reported point; not independently verified as parking or a permitted entrance.
Lost Sink Trail reaches a rainfall-dependent waterfall and sinkhole within The Nature Conservancy’s Keel Mountain Preserve.
Plan your visit
TNC identifies a small signed parking area on McMullen Road. The trail has steep, challenging footing. Remain within the preserve: Keel Mountain includes other landowners’ property.
Official directions, trail information and access notices. Confirm changing conditions with the operator.
Explore the area
Madison County · Outdoor places in Madison County · Outdoor collection
Discovery reference: Huntsville Adventurer’s Lost Sink Trail – Keel Mountain Preserve. The visitor guidance above is based on the linked operator source.
Location
Keel Mountain Preserve: 34.6551279, -86.413133. Source-reported location; not independently verified as parking or a permitted entrance.
Huntsville Adventurer source map. Publisher map markers describe locations and nearby features; follow the managing operator’s access and parking instructions.
Sources and review notes
Context: Plan your visitReviewed October 31, 2026.