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Canning altitude adjustments in Oregon
Oregon's featured towns sit about 20 to 4,080 ft — a spread that crosses 3 water-bath bands, so which town your kitchen is in genuinely changes the answer.
The lay of the land
Oregon splits at the Cascade crest: Portland and Eugene can near sea level at printed times, while Bend, Klamath Falls, and La Grande on the dry side — and even Medford, up in the Rogue Valley — all take added water-bath minutes. Klamath Falls, at about 4,080 ft, sits higher than many towns in the Rockies. The valley you settle in decides your band, and Oregon offers a wide menu of valleys.
From Portland at about 20 ft to Klamath Falls at about 4,080 ft, Oregon crosses 3 water-bath rows — times as written at the bottom of the state, 10 added minutes at the top. Each band carries one published answer, so find your town's row before the jars go in.
| Town | Elevation | Water bath | Dial gauge | Weighted gauge |
|---|---|---|---|---|
| Portland | about 20 ft | as written | 11 lb | 10 lb |
| Eugene | about 360 ft | as written | 11 lb | 10 lb |
| Medford | about 1,310 ft | +5 min | 11 lb | 15 lb |
| La Grande | about 2,760 ft | +5 min | 12 lb | 15 lb |
| Bend | about 3,370 ft | +10 min | 12 lb | 15 lb |
| Klamath Falls | about 4,080 ft | +10 min | 13 lb | 15 lb |
Town not in the table? The altitude lookup takes any Oregon ZIP or town and hands back the full card — elevation, minutes, and pressures in one look. Recipe already in hand? The processing time adjuster does the arithmetic on your minutes.
Frequently asked questions
Why do different Oregon towns get different canning numbers?
Because Oregon's featured kitchens climb from about 20 ft in Portland to about 4,080 ft in Klamath Falls — a spread that crosses 3 water-bath bands. Each band carries its own published answer, so the right move is reading your own town's row, not your neighbor's.
What would the same recipe look like in Portland versus Klamath Falls?
In Portland, a water-bath recipe runs exactly as printed, with a dial gauge at 11 lb. In Klamath Falls, the same recipe takes 10 extra minutes, and the dial climbs to 13 lb. Same recipe, different ground.
Is there one setting that covers all of Oregon?
Not quite — even the weighted gauge steps once, from 10 lb in the lowest towns to 15 lb everywhere higher, and water-bath minutes and dial settings vary more. Match the row for where the canner actually sits.