How do I access Sunken Lake?

Sunken Lake is a public boat ramp in Michigan. There is no entrance fee. Hours: Open at all times.

What activities are available at Sunken Lake?

Sunken Lake supports kayaking, stand up paddleboarding, sea kayaking, kayak fishing. The difficulty level is rated beginner, making it great for all skill levels.

What amenities are at Sunken Lake?

On-site amenities include boat ramp, parking, restrooms, dock, fish cleaning station, ada accessible. Parking: Parking lot available at boat ramp facility.

When is the best time to visit Sunken Lake?

The best time to paddle at Sunken Lake is during summer. June through August

What are the water conditions at Sunken Lake?

Water conditions at Sunken Lake include sheltered, tidal.

Is Sunken Lake good for beginners?

Yes, Sunken Lake is rated beginner difficulty, making it an excellent choice for first-time paddlers and families. Calm, sheltered water suitable for first-time paddlers. No significant current or wave hazards expected.

Ocean waves gently touch the sandy beach.

Photo by Hao Chen on Unsplash

Activity

KayakingSUPSea KayakingKayak FishingBeginner

Conditions

BayShelteredTidal

Amenities

Boat RampParkingRestroomsDockFish Cleaning StationADA Accessible

Best Time to Visit

Summer

Sunken Lake

Posen, MI · Boat Ramp · Public

Sunken Lake is a public boat ramp on North Branch Thunder Bay River near Posen, Michigan. This beginner-level spot offers kayaking, paddleboarding, sea kayaking. Amenities include boat ramp, parking, restrooms. Best visited in summer.

At a Glance

Water Body

Bay

Launch Type

Boat Ramp

Difficulty

Beginner

Hours

Open at all times

Activities

Kayaking, SUP, Sea Kayaking, Kayak Fishing

Parking

Parking lot available at boat ramp facility

Cell Service

Good

Calm, sheltered water suitable for first-time paddlers. No significant current or wave hazards expected.

About This Location

Launch into North Branch Thunder Bay River near Posen, Michigan. Beginner level with sheltered and tidal water.

Paddlers looking for protected waters in Michigan can launch from Sunken Lake into North Branch Thunder Bay River.

Kayaking is the most popular activity here, with the water conditions supporting a range of skill levels. Stand-up paddleboarding is popular here when winds are light, especially in the morning hours.

You can expect sheltered and tidal water when paddling here. The recommended season runs June through August. Facilities include boat ramp and parking and restrooms and dock and fish cleaning station and ada accessible.

Located about 5 min from Posen, Sunken Lake is a convenient option for Posen-area paddlers.

New to paddling? This is a great beginner spot.

Calm bay waters make Sunken Lake ideal for first-timers. Make sure you have the right gear:

Kayaks →Life Jackets →Paddles →

Paddling Tips

•Bring binoculars — bays are excellent for bird and marine wildlife viewing.
•Check for any no-paddle zones or restricted areas near ports.
•Time your paddle around slack tide for the easiest conditions.
•Watch for boat traffic, especially in narrow channels and near marinas.

Frequently Asked Questions

How do I access Sunken Lake?: Sunken Lake is a public boat ramp in Michigan. There is no entrance fee. Hours: Open at all times.
What activities are available at Sunken Lake?: Sunken Lake supports kayaking, stand up paddleboarding, sea kayaking, kayak fishing. The difficulty level is rated beginner, making it great for all skill levels.
What amenities are at Sunken Lake?: On-site amenities include boat ramp, parking, restrooms, dock, fish cleaning station, ada accessible. Parking: Parking lot available at boat ramp facility.
When is the best time to visit Sunken Lake?: The best time to paddle at Sunken Lake is during summer. June through August
What are the water conditions at Sunken Lake?: Water conditions at Sunken Lake include sheltered, tidal.
Is Sunken Lake good for beginners?: Yes, Sunken Lake is rated beginner difficulty, making it an excellent choice for first-time paddlers and families. Calm, sheltered water suitable for first-time paddlers. No significant current or wave hazards expected.

Location data: USGS ScienceBase · Water conditions: USGS NWIS · Weather: National Weather Service · Coordinates: 45.2116, -83.7249