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Roughlock Falls is a waterfall located in the Black Hills National Forest, near Spearfish, South Dakota.

Visual Characteristics

Roughlock Falls cascades over a series of limestone ledges, creating multiple distinct drops. The water is typically clear, flowing over dark, moss-covered rock formations. The surrounding area is characterized by dense coniferous forest, primarily Ponderosa pine and aspen. The falls are approximately 30 feet high in total, spread across a width of about 50 feet.

Location & Access Logistics

Roughlock Falls is situated approximately 14 miles southwest of Spearfish, South Dakota. Access is via Roughlock Falls Road (Forest Service Road 79), which is a paved, well-maintained road for most of its length, transitioning to gravel closer to the falls. The final approach involves a short, accessible boardwalk from the parking area. Parking is available in a designated lot adjacent to the falls. There are no direct public transport routes to Roughlock Falls; vehicle access is required.

Historical & Ecological Origin

The falls are a natural geological formation, carved by water erosion over millennia through the sedimentary limestone of the Black Hills. The area is part of the Black Hills National Forest, established in 1907, and is managed for its natural resources and recreational opportunities. The specific ecological classification is a temperate forest ecosystem with a riparian zone along the stream feeding the falls.

Key Highlights & Activities

Observation of the waterfall from the boardwalk is the primary activity. Photography is common, particularly during morning and late afternoon hours. Short, easy walks are available on the boardwalk and adjacent paved paths. The stream above and below the falls offers opportunities for observing local flora and fauna.

Infrastructure & Amenities

Restrooms are available at the trailhead parking area. Shade is provided by the surrounding forest canopy. Cell phone signal is intermittent and generally unreliable within the immediate vicinity of the falls. No food vendors are present at the site; visitors should bring their own provisions.

Best Time to Visit

For optimal lighting conditions for photography, early morning (approximately 8:00 AM - 10:00 AM) and late afternoon (approximately 4:00 PM - 6:00 PM) are recommended, when the sun angle is lower. The best months for visiting are typically May through October, when the weather is mild and the falls are usually flowing well. Winter visits are possible but may involve snow and ice, potentially limiting access and visibility.

Facts & Legends

A local historical oddity is the presence of the Roughlock Falls Nature Trail, which was developed in the mid-20th century to provide accessible viewing of the falls. The name "Roughlock" is believed to derive from the appearance of the water as it tumbles over the uneven rock ledges, resembling a rough lock or barrier.

Nearby Landmarks

• Spearfish Canyon Scenic Byway (0.5km West)
• Devil's Bathtub (4km Southwest)
• Bridal Veil Falls (6km Southwest)
• Iron Creek Lake (7km Northwest)