The Big Falls waterfall
Live Conditions · 41 ft³/s · About average

The Big Falls

Kentucky

By Armen Suny · Last verified Mar 2026

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

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.

Current Water Conditions

Updated about 2 hours ago Barely Flowing

41 ft³/s

Current discharge — how much water is flowing

About average for this time of year

Based on 27 years of record

4.61 ft

Water depth at gauge

76°F

Comfortable

Pleasant for swimming

7-Day Discharge Trend

What does this mean for your visit?

Flow is about average for this time of year. The water is a comfortable 76 degrees F, pleasant for swimming. Expect adequate dissolved oxygen levels. PH is normal at 8.0 and mineral content is moderate.

Water Quality

7.6 mg/L

Dissolved Oxygen

Good

Adequate oxygen levels

8.0

pH

Normal

Within healthy range (6.5-8.5)

479 µS/cm

Conductance

Dissolved minerals in the water

About This Gauge

This gauge is on a nearby waterway and may not reflect exact conditions at the falls.

USGS 03302030
13.6 miles from waterfall
Drainage: 80 sq mi
Altitude: 404 ft

7-Day Flow Outlook

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

Moderate confidence
Barely Flowing right now
41 cfs
↓ Falling
0000000TodayTomorrowSatSunMonTueWed

Today

Barely Flowing

41 cfs

4/10

Tomorrow

Barely Flowing

31 cfs

4/10

Sat

Barely Flowing

76 cfs

4/10

Sun

Barely Flowing

54 cfs

4/10

Mon

Barely Flowing

57 cfs

4/10

Tue

Barely Flowing

38 cfs

4/10

Wed

Barely Flowing

32 cfs

4/10

Best window: Today — barely flowing flow (trip score 4/10).

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

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.

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