Pilot Knob State Park
Iowa

Pilot Knob State Park

2148 340th St, Forest City, IA 50436
Available Activities
  • Hiking
  • Camping
  • Fishing
  • Cross Country Skiing
  • Snowmobiling
  • Ice Fishing
  • Ice Skating

🏛️ Official Iowa State Park – Managed by Iowa Department of Natural Resources

Pilot Knob State Park delivers Iowa’s most unique geological landscape – knob and kettle terrain left behind by retreating glaciers 15,000 years ago. From the historic CCC observation tower on Iowa’s highest point (1,450+ feet), you’ll survey a primordial landscape of conical hills and bowl-shaped depressions. Below lies Deadman’s Lake, Iowa’s only floating sphagnum bog – home to carnivorous sundew plants found nowhere else in the state.

What Makes Pilot Knob Unique

🗼

CCC Observation Tower

A 34-foot tower built from glacial boulders, on the National Register of Historic Places. Panoramic views from 1,450+ feet elevation.

🧊

Glacial Terrain

“Knob and kettle” landscape – conical hills (kames) and bowl-shaped depressions (kettles) formed 15,000 years ago.

🪷

Deadman’s Lake

Iowa’s only floating sphagnum bog. Home to carnivorous sundew plants and rare pond lilies found nowhere else in Iowa.

🎣

Pilot Knob Lake

15-acre fishing lake for bass, catfish, and bluegill. Electric motors only. Popular for ice fishing in winter.

Observation Tower

The CCC-built observation tower is the park’s centerpiece – a 34-foot structure built from glacial boulders (igneous and metamorphic rocks carried from Minnesota and Canada by glaciers). Listed on the National Register of Historic Places, the tower offers sweeping views of Iowa’s highest terrain.

  • 📏 Elevation: 1,450+ feet above sea level
  • 🧱 Construction: Glacial boulders, CCC-era (1930s)
  • 👁️ Views: Knob and kettle terrain, forests, lakes
  • 🥾 Access: Via Tower Connector Trail

Deadman’s Lake – The Floating Bog

Deadman’s Lake isn’t a typical lake – it’s a 4-acre floating sphagnum bog, the only one of its kind in Iowa. The bog mat floats on water, creating unique acidic conditions that support:

  • 🪴 Carnivorous Sundew Plants: These insect-eating plants thrive in the bog’s nutrient-poor conditions
  • 🪷 Rare Pond Lilies: Three species, one found nowhere else in Iowa
  • 🌿 Sphagnum Moss: The bog’s floating mat is composed of this unique moss

Viewing: The Deadman’s Trail circles the bog with interpretive signs. Do not step on the floating mat – it’s fragile and potentially dangerous.

Hiking Trails

Trail NameDistanceDifficultyHighlights
🔥 Tower Connector Trail0.5 mi🟡 ModerateDirect access to observation tower
Deadman’s Trail1.2 mi loop🟢 EasyCircles the floating bog; interpretive signs
Pilot Knob Lake Trail1.0 mi🟢 EasyCircles fishing lake; connects to beach
Equestrian Trail4.0 mi🟡 ModerateHorses allowed; also open for hiking

Winter Activities: Cross-country skiing, snowmobiling (designated trails), ice fishing, ice skating on Pilot Knob Lake.

Fishing at Pilot Knob Lake

SpeciesBest SeasonNotes
🐟 Largemouth BassMay–SeptemberGood catches reported
🐱 Channel CatfishSummer nightsStocked
🔵 BluegillYear-roundGreat for kids

Boats: Electric trolling motors only. No gas motors.

Camping

Site TypeCountHookups
Electric Sites~35Electric
Non-Electric~15None

Amenities: Modern restrooms, showers, warming house (winter). All sites reservable.

FAQ

What is “knob and kettle” terrain?

Glacial deposits created this landscape. “Knobs” (kames) are conical hills of sand and gravel; “kettles” are bowl-shaped depressions where ice blocks melted.

Can I walk on Deadman’s Lake bog?

No! The floating sphagnum mat is fragile and dangerous. View from the trail only.

🗼 Stand at Iowa’s Highest Point

Pilot Knob offers a landscape unlike anywhere else in Iowa – ancient glacial terrain, a floating bog, and panoramic views from a historic tower.

📍 Address: 2148 340th St, Forest City, IA 50436

📞 Phone: (641) 581-4835

🌐 Reservations: iowastateparks.reserveamerica.com

→ Official Iowa DNR Website

State Parks Team
Written by

State Parks Team

Editorial Team

The America's State Parks Editorial Team has collectively explored 800+ state parks across all 50 states. Our park profiles are carefully researched using official state park data, verified visitor information, and first-hand observations from our writers and contributors. Each article is fact-checked against official sources and updated regularly to ensure accuracy. Our mission is to help every American discover the natural wonders in their own backyard.

Last updated: February 20, 2026

Park Location

2148 340th St, Forest City, IA 50436