Length: 0.9 mi
Est. time: 18m
Gain: 90 ft
Loss: 24 ft
Max elev: 34 ft
Elevation profile
+90 ft gain · −24 ft loss — an estimate from a DEM.
Trailhead parking (Place)
Maritime Museum (VisitorCenter)
Learn:
Boiler Room Experiment - Hercules STEAM Unit Lesson #3Diving Deeper - Hercules STEAM Unit Lesson #2Fuel & Energy Transfer in Steam Engines - Hercules STEAM Unit Lesson #4Full STEAM Ahead - What is Hercules?Inside the Engine Room - Hercules STEAM Unit Lesson 6Personal Experiences in the Boiler Room - Hercules STEAM Unit Lesson 5Plan smart, verify on site
Length, elevation, and difficulty are estimates derived from open data (NPS Public Trails GIS, high confidence) — not a safety guarantee. Conditions change; check current closures, weather, and water, and carry the essentials. Always defer to NPS.gov and park rangers.