John Dunham Spring
If you're passing
Is it plungeworthy?
A named spring in Jersey County.
The details
- Area
- Jersey County
- Coordinates
- 39.16534, -90.45978
About John Dunham Spring
John Dunham Spring is a mapped spring in Jersey County, Illinois, at roughly 489 feet of elevation.
Plungeworthy rates John Dunham Spring 4.6/10 — if you're passing. The score weighs its scale, how confidently it's mapped, and its character.
Where it is
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John Dunham Spring doesn't have a photo yet. If you make the trip, send one to hello@plungeworthy.com and we'll publish it here with credit to you.
Before you go
The pin marks the feature, not a trailhead or a legal route in. Some sit on private land or need a real hike, and conditions change with season and rain. Check local access, don't trespass, and never enter water — hot or cold — where it isn't safe.
Common questions
Where is John Dunham Spring?
John Dunham Spring is a cold & mineral spring in Illinois, at 39.16534, -90.45978.
Is John Dunham Spring worth visiting?
If you're passing — Plungeworthy rates it 4.6/10.
Gear for the trip
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