Mount Rinjani & Segara Anak D3 Waypoint
16 May 2026 17 waypoints 20 photos 7.58 km
D3 Itinerary
With some spare time before setting off, I walked partway around the lake. The hikers fishing along the shore each have their own technique, and they were very generous, happily sharing their tricks and their impressive catch with me. If you have the time, it's worth lingering at this lake — there's a lively, market-like buzz here at the summit of the Land of a Thousand Islands.
Rinjani's plant life overlaps a lot with Taiwan's, so today felt like a full-on Taiwan traverse déjà vu. There's plenty of rain and sun here, so the plants grow lushly. Combined with the rough-textured joints in the rock walls, walking the trail feels like being surrounded by mountain after mountain of even greener, even bigger matcha hills. With waterfalls appearing now and then, this stretch of the hike is beautiful and very relaxing. Take your time here, enjoy the scenery and take photos as you go — before you know it, you'll have descended several hundred more meters.
Also, although today has several stream crossings, the water isn't deep and there are footholds, so there's no need to take your shoes off.
About an hour on, you reach the sulfur pool at Waypoint 45. This spot gets a lot of direct sun, so getting fully in isn't recommended — you might overheat — but soaking your feet is fine. Once again, there are plenty of monkeys here waiting for an opening, so keep your gear and food secured.
Continuing on to Waypoint 50, a mountain spring our guide called Magic Water, quite a few hikers were lined up to fill their bottles. I got my turn and drank several mouthfuls straight — I didn't feel any stronger going up or down afterward, but I was still in perfectly good health once I got home. So even without the Magic, it's definitely Water.
We had lunch in a forested valley at 1,326 m elevation, and the afternoon thunderstorm started right after. We continued on at 12:43; this afternoon stretch through the shaded forest felt just like Taiwan's mid-elevation mountains, both in vegetation and terrain. About 80 minutes further on, we reached Birisan Nangka Campground, where we rested for the day. For a mountain campsite, this one is practically six-star: toilets, a shop, a big Rinjani National Park sign, and an indoor rest area! There's even a tap behind the sign fed by a nearby stream, where you can freshen up and do some basic washing.
Trail Log
41 Back via the Streambed
2,039 m1,078↓11 min 0 m
42 Walking Around the Lake
2,039 m1,078↓6 min 0 m
43 Small Pavilion
2,039 m1,078↓2 min 0 m
44 Photographing the Volcano
2,039 m1,078↓40 min 1.26 km ↑45 m ↓224 m
45 Hot Springs CampsiteMentioned in text
2,039 m1,078↓34 min 0 m
46 Recording Resumes
2,039 m1,078↓43 min 990 m ↓218 m
47 Waterfall
2,039 m1,078↓9 min 120 m ↓16 m
48 Short Break
2,039 m1,078↓50 min 1.01 km ↑76 m ↓24 m
50 Magic WaterMentioned in text
2,039 m1,078↓3 min 60 m ↓14 m
51 Snapping a Photo
2,039 m1,078↓54 min 1.53 km ↓304 m
52 Lunch
2,039 m1,078↓1 h 44 min 1.01 km ↑38 m ↓82 m
54 Short Break
2,039 m1,078↓14 min 380 m ↑12 m ↓75 m
55 Makeshift Shelter
2,039 m1,078↓7 min 260 m ↓14 m
56 Short Break
2,039 m1,078↓14 min 510 m ↓103 m
58 Water Source
2,039 m1,078↓9 min 450 m ↓22 m
59 Campsite
2,039 m1,078↓33 min 0 m
60 The Lowest-Elevation Shop on Rinjani
2,039 m1,078
Start of record07:41 2008 m 0 km Segara Anak Campground
↓210 m
End of record14:03 1078 m 7.58 km Birisan Nangka Campground
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