Five Star Gift Ideas

That's great! Here are a few gift ideas that might suit your mountaineering enthusiast boyfriend:

1. Mountaineering Gear: You can get him a piece of equipment, such as a backpack, hiking boots, or a new rope system. Look for high-quality gear that will last a long time.

2. Climbing Accessory: You can purchase a climbing accessory like an ice axe, helmet, crampons or a carabiner. These are practical items that he will use often and will also appreciate as a gift.

3. Mountaineering Book: If your boyfriend is an avid reader, he might enjoy a mountaineering book. You can opt to get him some famous and inspirational books written by famous mountaineers such as "Into Thin Air" by Jon Krakauer or "The Climb" by Anatoli Boukreev.

4. Personalized Map: You can get him a personalized map of his favorite mountain range. This can be both meaningful and decorative for his room or office.

5. Mountaineering Experience: Finally, you can plan a mountaineering trip for him. This will give him the opportunity to utilize his hobby while enjoying an incredible experience. You could book him a guided climb, rock climbing class or a trip to a beautiful mountain range.

Or you can get him a star map with the date when he was born.