HomeMichiganMecosta County

Jehnsen Lake

Mecosta County, Michigan Inland Lake Connected Water
289.1 acres18 ft deep1 launchRec Passport requiredIce fishing
Jehnsen Lake Access Map 1 launch
Depth Map → Click markers for details
Boat Launches on Jehnsen Lake
Jehnsen Lake Boat Launch
Clare Field Office · Unimproved ramp, 1 lane, 8 trailer spots
Open Motorboat Kayak Rec Passport
View ramp details →
Connected Waterways

Jehnsen Lake sits in a lake-rich pocket of Mecosta County near Martiny Lake, Tubbs Lake, and Bluegill Lake. The area is part of the broader Muskegon River watershed in central Michigan.

Winter & Ice Safety

Jehnsen Lake's shallow profile means it likely freezes reliably in winter, making it a candidate for ice fishing. Panfish species like bluegill and perch would be the primary winter targets. Always check local ice conditions before heading out.

Frequently Asked Questions
What fish are in Jehnsen Lake?
Largemouth bass and northern pike are the main targets — anglers report catching them in roughly equal numbers. The lake also holds bluegill, sunfish (pumpkinseed), yellow perch, and rock bass. Dock fishing for panfish is productive, especially for families with kids.
Is Jehnsen Lake shallow or deep?
Jehnsen Lake is reported as pretty shallow by anglers who fish it. The shallow profile creates lots of weedy structure and ambush points for bass and pike, and it warms up nicely for swimming in summer.
Is there a public boat launch on Jehnsen Lake?
Yes, there's one public launch on the lake. It has a 4.8-star Google rating from 24 reviews. The single access point helps keep boat traffic low and the lake quiet.
Can you swim in Jehnsen Lake?
Yes. Reviewers describe the water as clean, and swimming near the island is a local favorite. There's also a designated beach area at Jehnsen Lake. The shallow water warms up well in summer.
Is Jehnsen Lake crowded with jet skis?
No — this is one of the lake's biggest selling points. Multiple reviewers specifically note the absence of jet skis and tubers. Motor boats and pontoons tend to just cruise. It's a genuinely quiet lake.
Is there an island on Jehnsen Lake?
Yes, Jehnsen Lake has an island that's a popular spot for boaters. Reviewers mention swimming near the island and boating out to it as a childhood memory and current attraction.
Are there campgrounds near Jehnsen Lake?
Several campgrounds are within a short drive, including Martiny Lakes Hide-Away, Bluegill Lake Family Camping Resort, Tubbs Island, and Merrill-Gorrel County Park. You've got options ranging from private family campgrounds to county park sites.
Where is Jehnsen Lake located?
Jehnsen Lake is in Mecosta County in central Michigan, in a lake-rich area near Martiny Lake, Tubbs Lake, and Bluegill Lake.
Is Jehnsen Lake good for kayaking?
Yes — the calm water, low boat traffic, and shallow depth make it ideal for kayaking. Anglers specifically recommend it for kayak fishing, and the island gives you a destination to paddle to.
Scout's Notes
Lake Vibe & Fishing Intel

Jehnsen Lake is a quiet, shallow lake in Mecosta County that punches above its weight for fishing. Reviews consistently mention catching largemouth bass and northern pike in roughly equal numbers — the shallow water and abundant structure give bass plenty of ambush points, and pike thrive in the same weedy habitat. Panfish are solid too, with bluegill, sunfish, perch, and rock bass all caught from the dock. The lake has an island that's a local favorite for swimming, and the overall vibe is distinctly low-key — no jet ski circus, just pontoons cruising and kayakers casting.

What stands out most about Jehnsen Lake is how consistently people describe it as calm and remote. Loons fish the surface, frogs sing at dusk, and muskrats cruise the shoreline. It's the kind of lake where a cottage stays in the family for decades and people talk about it like a secret. The single public launch keeps traffic manageable, and the 4.8 Google rating from 24 reviews is unusually high — a sign that people who find this lake tend to love it. Several campgrounds are nearby, including options on Martiny and Bluegill lakes.

Sources: Wikipedia, Google Reviews, DNR data, campground & beach reviews, ShorelineScout enrichment