Domain Arrivals
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Featured in Domain Arrivals · 2026-08-15

PassOpenings: the mountain-road thaw calendar

passopenings.com ↗ · Useful Tools · score 82.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

A year-by-year reference for when famous seasonal mountain roads open and close, with medians, extremes, and a current opening-watch board.

Why it surfaced

PassOpenings assembles opening records for roads including Going-to-the-Sun, Tioga, Trail Ridge, and Beartooth, alongside elevations, locations, and record spans reaching 94 years. Its unusually specific promise is practical: estimate whether a high road will be open when you arrive, then check the relevant agency before driving.

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The Two-Tonne Temperature Problem

August 15’s newborn domains include a live-aboard hydrogen airship with a two-tonne lift problem, a Japanese toolbox that explains its assumptions, an advisory-by-advisory Hawaiʻi hurricane archive, and a wedding-gift game about ungrateful poultry.

This is one of 1,000 discoveries in the 2026-08-15 Domain Arrivals issue.

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