Most people who live off Hinkle Road treat Labor Day the way they treat the community pool closing. One week the lake is a daily fixture, the next it feels like something you'll get back to next June. That assumption is wrong on two counts, and if you're the kind of Gramercy Park resident who takes the scenic route home across the Griffy causeway, both of them affect you directly.
The first count is simple: the boathouse at 3400 North Headley Road doesn't close for September. It just runs shorter hours, ten in the morning until seven at night, every day of the week, a schedule the city only finalized in March. October pulls back further to Saturdays and Sundays only, same ten-to-seven window. November brings something else entirely, but we'll get to that.
The second count is less obvious, and it has more to do with which side of the lake you're standing on than with what day it is.
The Boathouse Kept Its Doors Open. It Just Moved the Hours
If you rented a kayak in July, you had until eight at night to bring it back. That window is gone now. September's ten-to-seven schedule means an after-work paddle has to start earlier than it did all summer, and the two-hour rental cap that already applies on weekends and holidays makes the math tighter still.
Pricing shifted too, and not in a way that rewards waiting. The city raised the hourly rental rate to twelve dollars this year, up from ten in 2025, and moved the ten-hour punch pass to a hundred dollars, a twenty-dollar discount instead of the ten-dollar discount the pass offered last year. Late fees changed shape as well. Instead of one flat charge for a late return, it's now twenty dollars for every thirty minutes past closing, which matters more in a month where closing arrives an hour earlier than it did in August.
One new wrinkle works in your favor if you're patient. If annual launch permits are still in stock after Labor Day, the city drops the price to forty dollars, a discount that didn't exist in past seasons. For a household that already owns a canoe and has been meaning to buy the yearly pass instead of paying by the day, this is the first September where waiting actually pays off.
There's also a new checkpoint at the ramp. Anyone renting a boat or launching their own now has to show a state or university-issued photo ID, a rule the city added this year for both rentals and private launches. It's a small friction, but if you're used to grabbing a paddleboard on a whim after work, it's the kind of thing that turns a spontaneous half hour into a fifteen-minute delay while you dig a license out of a glove compartment.
Two Shores, Two Different Timelines
Here's the part that actually changes how you should plan a fall visit, and it has nothing to do with the boathouse clock.
Griffy Lake has a finished side and a side that's still being built. The finished side is the loop trail on the south shore, completed in 2023 as part of a project funded largely by the city's 2018 Bicentennial Bond, at a phase-one cost north of two million dollars. It's smooth, it's mapped, and it connects across the dam to the causeway most Gramercy Park residents already cross to get to the boathouse.
The other side, reached along North Headley Road just past the boathouse, is not finished. The city's own amenities page still lists trail improvements on the North Shore as underway, not completed, and that's the side that starts closer to where the road actually enters the preserve if you're coming from Bethel Lane or Hinkle Road.
| South Shore Loop | North Shore Trail | |
|---|---|---|
| Status | Completed 2023 | Improvements still underway |
| Distance | Roughly 4 miles built as part of the loop project | About 3 miles round trip |
| Character | Graded, connects to the causeway and dam | Steep slopes, narrow paths, rock outcrops, the most rugged trail on the lake |
| Access | Via the dam and causeway | Begins along North Headley Road, north of the boathouse |
If you've been avoiding the north side because it felt rougher than the trail everyone posts photos of, you weren't imagining it. It is rougher, and it's supposed to be, at least for now.
The Volunteer Day That Explains the Mud
That work isn't happening in the background. In late January, Bloomington Parks and Recreation and the Hoosier Hikers' Council put out a call for twenty-five volunteers to spend a February 21 workday at Griffy building new trail sections by hand, meeting at the boathouse at nine in the morning for six hours of digging, bending, and hauling material with no prior trail-building experience required. A follow-up workday announced in early March focused specifically on a partial reroute of the natural trail loop nearest the boathouse, the same on-the-ground, volunteer-built approach applied to a new stretch of path.
That matters if you walk the north side regularly. A section that felt like a clear, familiar path in June might be a freshly rerouted stretch in September, with looser soil and less established footing than the trail you remember. It's not neglect. It's construction that happens in phases, part of the same city Environmental Stewardship push that also covers the prescribed burns and controlled deer hunts the Griffy Lake Master Plan calls for elsewhere in the preserve.
Which brings us to November. Griffy Lake closed for two weekends that month in 2025 for controlled deer hunts tied to that same management plan. If you're already planning ahead past the shortened October hours, that's the next date worth marking, once the city publishes this year's specific weekends.
Planning the Rest of Your Season
None of this means Griffy stops working for daily life. It means the calculus changes month to month in ways that reward a little planning:
- This month, plan paddles for the window between ten and five if you want buffer before the two-hour weekend cap or the seven o'clock close.
- If you're walking the north side, expect a rougher, less finished trail than the south loop, and bring shoes that can handle loose or freshly cut ground.
- If the north trail is too muddy for a dog walk, the Cascades Park Trail connects to Ferguson Dog Park on Stone Mill Road, a half mile from the dam, and it's paved the whole way.
- If you're buying an annual launch permit, check after Labor Day. The discounted forty-dollar rate is new this year and only applies while supplies last.
- In October, the boathouse only opens on weekends, so a Tuesday evening paddle that worked all summer won't be an option again until next April.
The lake itself isn't going anywhere. It's been part of Bloomington's infrastructure since 1924, when the dam went in to supply the city's drinking water, a role it held until Lake Lemon took over in 1953. What changes every year, and especially this one, is which parts of it are finished, which parts are still being shaped by hand, and how many hours you actually have to enjoy either.
If you live close enough to cross that causeway on a regular Tuesday, you already know Griffy Lake better than most of the city does. Understanding which half of it is still under construction just means you'll spend less time surprised and more time on the water while the hours still allow it.
Have questions about what living near Griffy Lake actually looks like day to day, from trail access to the drive along Bethel Lane and Hinkle Road? Alex Root knows the Gramercy Park side of Bloomington from the ground up. Let's Connect.