Updated

Lough Key
Lake
Lough Key (Irish: Loch Cé) is a lake in Ireland. It is in the northwest of County Roscommon, northeast of the town of Boyle. The lough is believed to be named after a mythical figure named Cé.
Interactive map not available
Weather at Lough Key









Sponsored gear checklist
Pack smarter for Lough Key
Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.
As an Amazon Associate we earn from qualifying purchases.
Frequently asked questions
- Where is Lough Key?
- Lough Key is a lake in Ulster.
- Can you swim at Lough Key?
- There is no fixed answer for Lough Key: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Lough Key in Ulster. Check current water conditions before you go, and follow posted signs and local guidance.
Visitor Reviews
Be the first to share your experience here
Join our community to share your water adventures
Earn badges as you share your experiences!
No reviews yet — share what you know
Been here? A quick note helps the next visitor plan their day. Handy things to mention:
Best Times to Visit
- ›Check for boat launch facilities and fees
- ›Obtain required fishing licenses before arrival
- ›Be aware of lake-specific regulations and restrictions
- ›Monitor water quality reports before swimming
Location & Contact
Ulster
</> Embed this location on your site
Paste this snippet into your website to show a live badge for Lough Key — free to use with the included credit link.