David Sokol writes:

The building’s interior corridor merges with outdoor paths that connect to the surrounding trail system; bicyclists and hikers could ostensibly journey through Trail House without giving the enclosure much thought, and the design team leaned into that possibility. Gluckman Tang covered the north and south entrances of Trail House with trellises in which sit latillas (pine peeled logs) within cedar frameworks onweathering-steel columns. Inside the building, the circulation spine is topped in cedar beams cradling  latillas once again. Pigmented concrete floors, adobe brick, and red stucco further blur interior and exterior.

Read more at Arch Record.