How to protect trekking poles from saltwater corrosion on the Pembrokeshire Coast?
The Pembrokeshire Coast Path, with its breathtaking cliffs, hidden coves, and endless views of the Celtic Sea, is one of Britain's finest long‑distance trails. But it's also one of the harshest environments for your gear. Every step along this 186‑mile route brings you within sight—and often within reach—of saltwater spray, wind‑driven sand, and salty sea mist that clings to everything. For trekking pole users, this poses a serious threat: saltwater corrosion. Left unchecked, salt can seize locking mechanisms, corrode metal parts, and ruin the smooth action of your poles. In this guide, I'll share a comprehensive strategy to protect your poles, so you can enjoy the beauty of the Pembrokeshire Coast without sacrificing your equipment.
Why saltwater is so damaging
Saltwater accelerates corrosion through an electrochemical process. When salt (sodium chloride) dissolves in moisture, it creates an electrolyte that facilitates the transfer of ions between dissimilar metals, causing galvanic corrosion. Even anodised aluminium, which is normally resistant, can suffer pitting if salt is left to accumulate. Steel components—screws, springs, and lever pins—are especially vulnerable and can rust to the point of failure within weeks of regular coastal exposure.
The problem is compounded by the fine sand and spray that carry salt into every crevice of your pole—particularly the locking mechanisms, basket attachments, and tip threads. Once salt dries, it forms crystals that can abrade moving parts and trap moisture against the metal surface.
Part 1: Pre‑trip protection – prepare your poles for the coast
1. Apply a protective coating
Before you set foot on the coast, give your poles a barrier against salt. A thin application of silicone spray or marine‑grade anti‑corrosion spray to the sliding sections and lock mechanisms creates a hydrophobic layer that repels moisture. Spray it on, let it penetrate for a minute, then wipe off any excess with a clean cloth. For flick‑locks, remove the lever and apply a tiny amount of marine grease to the pivot screw and cam surfaces—this prevents saltwater from seeping into the joint.
2. Wax the pole shafts
A coat of car wax or even a simple candle wax applied to the aluminium tubes provides an extra layer of protection. Rub the wax on, then buff it off. The wax fills microscopic pores, making it harder for saltwater to cling to the metal.
3. Lubricate the threads
If your poles have screw‑on tips or removable baskets, apply a light coat of anti‑seize compound (copper‑based is good) to the threads. This prevents salt‑induced galling and ensures you can remove them when needed.
Part 2: On‑trail strategies – minimise exposure
1. Rinse them regularly
The single most effective way to prevent salt damage is to rinse your poles with fresh water during your walk. If you're crossing a stream or have access to fresh water, swish the poles to wash away salt spray. Pay special attention to the locking mechanisms and basket attachments. This is especially important if you've been walking on a windy, spray‑lashed section.
2. Avoid planting in wet sand
Wet sand is loaded with salt. When you plant your pole in it, you're driving salt directly into the basket attachment and tip threads. If you must walk on the beach, use the dry sand above the high‑tide line (which has lower salt content) or keep your poles collapsed and carry them.
3. Wipe down at rest stops
Use a small microfiber cloth (carry one in your pack) to wipe down the entire pole, especially the locking mechanisms, whenever you stop for a break. This removes surface moisture and salt before it has a chance to dry and crystallise.
Part 3: Post‑walk care – the most critical step
The moment you return from a coastal walk, you must act. Leaving salt on your poles for even an hour increases the risk of corrosion.
1. Rinse thoroughly with fresh water
Use a hose, a shower, or a bucket of clean fresh water. Rinse every part of the pole—the shafts, the locks, the basket threads, and the tip. For flick‑locks, open the lever and flush the cam area. For twist‑locks, unscrew the collars and wash the internal threads. If possible, remove the baskets and tips and rinse them separately. Pay special attention to the inside of the locking mechanism—this is where salt often accumulates unseen.
2. Dry completely
After rinsing, shake off excess water and dry the poles thoroughly with a towel. Then leave them to air‑dry for at least 30 minutes with the locks open (so moisture can evaporate from the internal parts). Do not collapse and store them wet—the trapped moisture will accelerate corrosion.
3. Lubricate moving parts
Once dry, apply a tiny drop of light machine oil (or a dedicated pivot lubricant) to the flick‑lock lever screws and any steel‑to‑steel contact points. Wipe off any excess. This keeps the mechanisms smooth and protects against moisture ingress. For aluminium shafts, a wipe with a silicone‑impregnated cloth provides additional protection.
4. Inspect and maintain
After every coastal trip, inspect your poles:
- Check the flick‑lock screws for rust. If you see any, remove the screw, clean it with a wire brush, and apply a drop of anti‑seize compound before reinstalling.
- Check the baskets for cracks and the tips for wear. Replace them if needed—salt can weaken plastic and rubber over time.
- Check the pole shafts for any signs of pitting or discolouration, which can indicate the start of corrosion.
Special considerations for different locking systems
Flick‑locks (lever‑locks)
These are the most resilient to salt because they are external and open. However, the pivot pin and screw are the weak points. Remove the lever periodically (every few months if you walk on the coast often), clean the screw and threads, and apply a dab of marine grease before reassembling. This prevents seizing.
Twist‑locks
Twist‑locks are far more vulnerable to salt damage because the internal expander mechanism traps salt and moisture. If you use twist‑locks on the coast, you must unscrew the collar fully after every walk and rinse the internal expander and threads separately. Some walkers apply a very light coat of silicone grease to the expander threads (never to the clamping surfaces) to protect them.
Z‑poles and folding poles
The folding joints are particularly prone to salt ingress. After rinsing, gently flex the joints to work fresh water into the pivot points, then dry them thoroughly. A small drop of light oil on the joint pins (applied sparingly) can prevent corrosion.
What to do if corrosion appears
If you notice rust or pitting, act quickly:
- Remove rust from steel parts using a fine wire brush or steel wool. For screws and springs, soak them in white vinegar for 15‑20 minutes to dissolve the rust, then scrub and rinse thoroughly.
- For aluminium pitting, you can use a fine abrasive pad to smooth the surface, but be careful not to remove the anodised layer completely. Once smoothed, apply a clear lacquer or wax to protect the area.
- Replace severely corroded parts – especially springs, screws, and lever pins. These are often inexpensive and readily available as spare parts.
Long‑term storage
If you won't be using your coastal poles for a while:
- Store them disassembled (separate the sections) and with the locks open. This allows air circulation and prevents moisture from being trapped.
- Keep them in a dry, ventilated area – not a damp garage or a stuff bag.
- Apply a fresh coat of wax or silicone protectant before long storage.
The verdict
Protecting your trekking poles from saltwater corrosion on the Pembrokeshire Coast is a matter of consistent, disciplined care. The golden rule: rinse with fresh water immediately after every coastal walk. Combine this with pre‑trip protective coatings, careful on‑trail minimisation of salt exposure, and regular post‑walk maintenance—especially cleaning and lubricating moving parts. With these habits, your poles will survive the salt spray and stay reliable for many coastal adventures to come. The Pembrokeshire Coast is a treasure; protect your poles, and they'll protect you.
