Both work well as add-ons rather than the main event. Cipanas, at the foot of Mount Guntur, has natural hot spring pools for a short soak between sightseeing stops. In town, dodol Garut, a chewy coconut and palm sugar sweet, makes an easy souvenir stop before heading back. Neither needs more than 30-45 minutes, so they slot in without crowding the day's main highlights.
Bandung to Garut is about 64 km (40 miles), typically 1.5-2 hours by private car. Jakarta to Garut is about 220 km (137 miles), usually 4.5-6 hours depending on traffic through the Nagreg pass. Since it's a full day either way, an early departure gives you the most time at the sights.
Plan on 1.5-2 hours. A short, mostly flat trail leads from the parking area to the main crater floor, close enough to see the bubbling mud pots and vents up close. Closed shoes and a light mask or scarf help with the sulfur smell. Hiking further to the Tegal Alun edelweiss fields adds a couple of hours, so it's better suited to travelers with extra time to spare.
Kawah Papandayan is the headline stop, an active crater with steaming sulfur vents and a moonscape of grey rock. Candi Cangkuang, an 8th-century Hindu temple on a small lake island, adds history and scenery. Situ Bagendit lake offers bamboo raft rides against a backdrop of rice paddies and volcanoes. Your driver can help sequence these so the day flows smoothly.
Candi Cangkuang is a small Hindu temple standing on an island in Situ Cangkuang, near Leles village. Visitors cross by bamboo raft in a few minutes, then walk a short path past a traditional Kampung Pulo settlement to reach the temple itself. Budget about an hour including the crossing, enough for a quiet, uncrowded look at one of West Java's oldest structures.
Garut sits in a volcanic basin ringed by Mount Guntur and Mount Papandayan, packing crater landscapes, natural hot springs, a lake-island temple, and a small-town food culture into one compact area. It's close enough to visit in a single day, so you get the highlights without booking a hotel. A private transfer lets you string together the sights that interest you most and skip the ones that don't.