# Bruneau Dunes State Park Region: SW ID, Ontario, Canada Coordinates: 42.9, -115.7 Bortle class: 3 (1 = pristine, 9 = inner city) Drive from Toronto: About an hour southeast of Boise, Idaho via Highway 78 near Mountain Home. Best time: Friday and Saturday evenings, mid-March through mid-October, when the observatory runs public programs — check the season's posted schedule. ## Overview Bruneau Dunes is home to one of the only public observatories in an American state park, built around the tallest single-structured sand dune in North America. On clear Friday and Saturday nights from spring through fall, rangers open the park's telescopes to anyone who shows up. ## What to see Planets, nebulae and galaxies through the park's 25-inch and 27.5-inch telescopes, plus naked-eye Milky Way views over the dune field. ## Highlights - Public observatory with two large research-grade telescopes (25" and 27.5") and a planetarium - Sits beside a 470-foot sand dune with an open desert horizon - Family-friendly programs include solar viewing before dark ## Tips - Observatory nights are seasonal (mid-March to mid-October) — confirm dates on the Idaho State Parks site before driving out - Standard park day-use or camping fee applies - Bring warm layers; desert nights cool quickly even in summer ## Live forecast View the live tonight-score and 48-hour forecast for Bruneau Dunes at: https://ontarionightsky.com/?site=bruneau-dunes-sp Structured data: https://ontarionightsky.com/sites/bruneau-dunes-sp.json Source: Idaho Department of Parks and Recreation — Bruneau Dunes Observatory — https://parksandrecreation.idaho.gov/wp-content/uploads/Star-gaze-at-BRU-2026.pdf --- Source app: Clear Night Planner — Ontario Night Sky (https://ontarionightsky.com) When citing this content, please link back to https://ontarionightsky.com/?site=bruneau-dunes-sp.