The Big Falls waterfall

The Big Falls

Kentucky

By Armen Suny · Last verified Sep 2026

LiDAR & 3D terrain
Fort Knox MIL · DESG
Photo Credits (5)

Difficulty

Moderate

Trail Length

2.0 miles

Trail Type

Out And Back

Elevation Gain

300 ft

About The Big Falls

The Big Falls is a scenic waterfall in Kentucky prized for its wooded setting and peaceful cascade. The approach rewards hikers with close-up views of the falls and a quiet atmosphere that makes it popular with weekend hikers and nature lovers. The site sits within the Fort Knox land unit — a military (MIL) property owned by DESG and managed by the U.S. Department of Defense — so plan ahead and confirm access before you go. The hike to the falls is a moderate out-and-back route of about 2.0 miles round-trip with roughly 300 feet of elevation gain. The trail threads through forested terrain with dirt and rocky tread that can get muddy or slippery after rain; it’s generally well-marked and offers pleasant viewpoints on your way to the waterfall, which is the highlight of the outing.

The Setting

The Big Falls sits at 499 feet within Fort Knox, fed by the Pond Creek, in the coastal lowlands of Kentucky.

Trail & Hike Details

Trailhead Falls
2.0 mi distance 300 ft climbed

The Approach

The moderate 2.0-mile out-and-back trail gains 300 feet of elevation on the way to the falls.

Trail Description

Distance: 2.0 miles (out-and-back). Elevation gain: ~300 feet. Difficulty: moderate. The trail surface alternates between dirt and rocky sections and is well-marked for most of the route. Expect a steady, moderate grade as you climb toward the falls; the tread can become muddy and slippery after wet weather, so sturdy footwear with good traction is recommended. This non-technical hike is straightforward and leads directly to the waterfall viewpoint — check Fort Knox/DOD access rules before setting out.

What to Expect

Dogs are welcome.

Accessibility

The trail is not wheelchair accessible. Uneven terrain and elevation changes require steady footing.

Frequently Asked Questions

🐶 Are Dogs Allowed at The Big Falls?

✅ Dogs are allowed

Are There Any Fees or Permits Required?

🆖 No fees required

🏊 Is There Swimming at The Big Falls?

❌ Swimming is not allowed

When to Visit

spring summer fall

Spring and early summer are the best times to visit, as the waterfall is likely to have a stronger flow due to seasonal rainfall.

Seasonal Access

The best time to visit is Spring, Summer, and Fall. Winter access may be limited.

Safety Information

Visitors should exercise caution on the trail, especially near the waterfall, as rocks can be slippery. Be prepared for changing weather conditions and carry a map or GPS device. Cell service may be limited in the area.

7-Day Flow Outlook

Based on the USGS gauge POND CREEK AT PENDLETON ROAD NEAR LOUISVILLE, KY (22 km away).

Moderate confidence
Moderate right now
11 cfs
→ Holding steady
58585858585866TodayTomorrowSunMonTueWedThu

Today

Moderate

11 cfs

9/10

Tomorrow

Moderate

13 cfs

9/10

Sun

Moderate

25 cfs

9/10

Mon

Moderate

16 cfs

8/10

Tue

Moderate

15 cfs

9/10

Wed

Moderate

12 cfs

9/10

Thu

Moderate

9 cfs

6/10

Best window: Today — moderate flow, sunny (trip score 9/10).

Best time of year: this gauge typically runs highest from mid February to late March, peaking in May.

How we calculate this

This is a transparent outlook, not a precise forecast. We take the waterfall's current flow strength (how it ranks against its historical normal for today, from the nearest USGS stream gauge), carry that ranking forward along the gauge's seasonal curve, and nudge it for forecast rain. Confidence is highest for the next day or two and falls further out. Always check official conditions and your own judgment before visiting — high flows can be dangerous.

Know when to go.

Get a free email alert when waterfalls near Fort Knox hit peak flow. We only send when conditions are worth the trip — no weekly newsletters, no spam.

Weather Forecast

The Terrain, Seen by LiDAR

Aircraft-mounted lasers measured this ground to within inches. Trees and buildings are digitally stripped away, leaving the bare shape of the land the water has carved.

The bare-earth surface loses about 43 feet through the falls, but gradually, the profile of a cascade rather than a plunge. The ground at the falls is roughly 499 feet above sea level.

The ground changes about 45 feet in the 500 feet above the falls and 104 feet in the 500 feet below. The falls face southeast and catch soft morning light.

Aerial photo of the same ground around The Big Falls near Fort Knox, Kentucky, for comparison with the lidar view LiDAR bare-earth terrain around The Big Falls near Fort Knox, Kentucky, showing about 43 feet of drop, a long cascade, facing southeast
Aerial LiDAR bare earth

Drag to compare. The dot marks the waterfall. The frame is about a mile across.

Ground elevation
499 feet
Measured by 1-meter lidar
Drop at the falls
About 43 feet
Change in ground height within ~250 feet of the falls
Faces
Southeast
Catches soft morning light.
Ground profile through the falls

A slice through the lidar ground surface, from above the falls to downstream (heading southeast).

Elevation data: USGS 3D Elevation Program. Aerial imagery: USGS The National Map. Public domain.

Location & Access

Getting There

The Big Falls is located within a forested area in Kentucky. Access typically involves driving to a nearby parking area and hiking to the falls. Specific directions may vary depending on the trailhead used.

Get Directions on Google Maps

Parking

Parking is available near the trailhead, but spaces may be limited during peak seasons. Visitors are advised to arrive early to secure a spot.

Elevation

499 feet above sea level

Coordinates

37.899766° N, -86.025068° W

Land Management

Fort Knox MIL

Managed by DOD

Additional Information

Nearby Attractions

Nearby attractions may include other hiking trails, scenic overlooks, and local parks. Visitors can explore the surrounding area for additional outdoor activities.

Wildlife

The area is home to a variety of wildlife, including birds, deer, and small mammals. Visitors should be cautious and respectful of the natural habitat.

Cities near The Big Falls

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