The Blue Gum Forest - a cathedral of towering blue gums in the Grose Valley

The line through Blue Mountains, NSW, Australia - waypoints, elevation and the day-by-day shape of the walk.
Autumn-spring
Heat on the climb out, storms
Best Mar-Nov; the climb out is hot in summer. Confirm.
Steep cliff-line descent into the Grose Valley to a tall-forest floor
Non-technical walking/hiking; confirm any exposed or scrambly sections locally
Marked/waymarked route; navigation generally straightforward - carry a map and confirm locally
Suitable for reasonably fit hikers; not wheelchair accessible - confirm specifics
Moderate
Overnight to break the climb; various descent routes (Perrys Lookdown)
Evans Lookout / Perrys Lookdown, Blackheath
Out-and-back/loop - no shuttle needed
Bush camping at Acacia Flat for overnights
Day-hike kit, water, sun/rain protection, sturdy footwear; coverage varies
Services in Blackheath; limited or none on the trail
Not required; self-guided
No permit; camping at Acacia Flat (Grose Valley)
Permits and operators change - confirm before booking.
The steep climb back out, heat, remoteness
Retrace the route to exit; dial local emergency services; carry a means of calling for help where remote
This profile is desk research, compiled from public sources - not a first-hand trail report. Coordinates are approximate.