A cat that climbs the curtains at 2 a.m. is usually not bored in a general sense. It is short of vertical space, and the curtain is the only climbable route in the room. The other signs of a thin environment are listed under boredom signals, and curtain climbing is usually the loudest one. The test is a count: an indoor cat wants 2 to 3 elevated resting spots above 90 cm, plus a way to get between them without touching the floor. Put a 120 cm post within 1 m of the curtain and expect 2 to 4 weeks before the climbing fades, not 2 to 4 days.
What the curtain climb is measuring
Height is safety for a cat. A shelf at 150 cm gives a view of the door, the corridor, and the other cat, and it removes the cat from the floor-level argument entirely. In a 1-cat home, 2 elevated stations are usually enough; with 2 cats, count 3 stations and 2 separate routes, because a single route becomes a chokepoint. A station means a platform at least 30 cm across, not a 12 cm windowsill the cat cannot turn around on.
Why the fix is height, not discipline
Punishment does nothing here, because the behaviour is self-rewarding: the cat climbs, gets 1.5 m of height, and the reward arrives every single time. Curtain climbing also concentrates in 2 windows, the hour before dawn and the hour after the household wakes, which is when a cat's activity peaks. The fabric itself carries scent from cheek rubbing, so a curtain that has been marked is more attractive than a clean post, which is why the new platform should be rubbed with the same cloth. Give a legal route at the same height and in the same corner and most of the curtain traffic moves within 2 to 4 weeks.
The 120 cm post: where and how
Buy or build a post at least 120 cm tall with a 40 by 40 cm base and a 30 by 30 cm top platform. Place it 1 m from the curtain, 30 cm off the wall, so the cat can hop from platform to curtain rod but has a preferred first stop. Anchor the top with 2 screws into a stud; a tension pole rated for 10 kg still walks 2 to 5 cm on a smooth ceiling under a 4 kg cat landing from 1.5 m. Check the anchor every 3 months with a firm pull.
Gather the curtain bottom 20 cm
The lowest 20 cm of fabric is the launch pad: it is what the cat grabs at floor level, and it is where every tear starts. Clip the hem up so the lowest point sits 20 cm above the floor, using 2 clips per panel every 40 cm, or a single tie at the 20 cm mark. The curtain keeps its drape above that line, the cat loses the grip point, and the fabric stops wicking dust and litter. Do the same for any dangling cords on blinds and pull them to 120 cm or a wall cleat.
| Vertical asset | Minimum height | Count for 1 to 2 cats | Placement | Check |
|---|---|---|---|---|
| Floor-to-ceiling post | 120 cm | 1 to 2 | Within 1 m of the curtain | Anchor pull every 3 months |
| Wall shelf | 150 cm | 2 to 3 | 30 cm apart, 1 per wall | Screws every 6 months |
| Window perch | 90 to 120 cm | 1 | Sunny window, 2 hours of sun | Suction cups every 4 weeks |
| Route between stations | Steps of 40 cm | 2 routes | No gap over 45 cm | Monthly |
| Scratch surface beside post | 60 cm of sisal | 1 per cat plus 1 | At the post base | Replace at 20% worn |
The 2 to 4 week window, and what to count
Log climbs per day for 7 days before you change anything. A curtain-climbing cat in a 1-cat flat often shows 4 to 6 climbs a day, mostly between 04:00 and 06:00. After the post goes in, expect the count to fall by half in week 1, then to 1 or 0 by week 3 or 4. If it is still above 2 a day at week 4, the post is in the wrong place or too low; move it closer to the curtain and add a 40 cm step. If it drops and then climbs again at week 6, add a station rather than a second post. High-energy lines such as Bengals and Abyssinians often need 4 stations before the traffic stops, and the breed quiz gives a rough activity rating to plan against.
A 4-week plan
Week 1, count and gather: log climbs for 7 days, clip the curtain hem to 20 cm, and note the 2 peak hours. Week 2, build: install the 120 cm post 1 m from the curtain, 10 minutes of assembly and 5 minutes of anchoring to a stud. Week 3, teach: place a treat or a 15 cm silvervine stick on the top platform twice a day, and run 1 wand session of 10 minutes that ends on the post, not on the floor. Week 4, review: compare the climb count with week 1, tighten any loose anchor, and if the cat still climbs, add a wall shelf at 150 cm within 1 m of the window.
When climbing is not about space
Climbing that continues after 4 weeks with 6 or more stations in place, or that comes with 3 or more of these, needs a vet visit: yowling at 04:00, weight loss of 200 g in a month, increased appetite with no weight gain, or pacing that ignores food. Hyperthyroidism and pain both look like restlessness at 8 years or older. A blood panel and a blood pressure reading answer it in 24 to 48 hours.
Five steps for tonight
1. Clip the curtain hem to 20 cm above the floor. 2. Count the elevated resting spots above 90 cm and write the number down. 3. Move the tallest post you already own to within 1 m of the curtain. 4. Book 10 minutes of wand play that ends on the highest platform. 5. Start a 7-day climb log with the time of each climb, because the pattern is what tells you whether the post is working.
Frequently asked
How many high spots does an indoor cat need?
Two to 3 elevated resting platforms above 90 cm for a single cat, and 3 platforms with 2 separate routes in a 2-cat home. Each platform should be at least 30 cm across so the cat can turn around. A 12 cm windowsill does not count as a station, which is why adding one more shelf often changes nothing.
Will a 120 cm cat tree stop curtain climbing?
Usually within 2 to 4 weeks, if it sits within 1 m of the curtain and has a 40 by 40 cm base plus a 30 cm platform. Use 2 screws into a stud, not a tension pole alone. Count climbs for 7 days before and after; a fall of about half in week 1 and near zero by week 4 is the expected curve.
Why clip the bottom 20 cm of the curtain?
The lowest 20 cm is the launch pad: that is what a cat grabs from the floor, and where fabric tears begin. Clip the hem so the lowest point sits 20 cm above the floor, 2 clips per panel every 40 cm, and the grip point disappears while the drape above stays. It also stops the hem from wicking litter and dust.