SpotX tramping (142.1) Access Icons:Car TrackType:Walking. Difficulty:Easy Time:1 day Length:.18.2km Access:Brook Valley, 5km from downtown Nelson. Features:A new Zealand Walkway that follows the route of New Zealand first railway, constructed to service a chrome ore mine. The walk passes through a range of scenery and provides excellent views from Nelson to the Abel Tasman National Park. Information:DoC Golden Bay, ph (03) 525 8026, email This email address is being protected from spambots. You need JavaScript enabled to view it.. Nelson Regional Visitor Centre, ph (03) 546 9339, email This email address is being protected from spambots. You need JavaScript enabled to view it.. Other Activities:. Notes:.