Sita ~27-28 weeks pregnant. Constraints: short flight from SFO, comfortable summer temps, plenty to do at low effort. Already on the list: Bend, OR. Already visited: Big Sur. Click any pin to see full details.
US domestic: most carriers allow travel through 36 weeks. International (Canada): generally fine to 28 weeks; some carriers want an OB letter after 28 weeks.
Get a dated OB letter regardless - cheap insurance.
ACOG considers up to ~8,000 ft generally safe for healthy pregnancies on short stays. Acclimate gradually, hydrate aggressively.
Jackson, Whitefish, Bozeman, Banff are clean. Santa Fe, Taos, Park City sit at the upper end.
Avoid water above ~100 F and limit any soak to 10 minutes - core temperature risk in the second/third trimester.
Skip Steamboat, Glenwood, Banff hot springs, Yellowstone pools.
Aim for under 45 minutes from a hospital with L&D. St. John's (Jackson), Christus St. Vincent (Santa Fe), and North Valley (Whitefish) qualify.
Tofino is the edge case at ~1h to Port Alberni.