Stay near Sentani Airport (DJJ). Clear immigration and baggage, then walk or take a short taxi to Lake Sentani’s closest viewpoints in Doyo Lama or around Kampung Harapan (ask driver for the nearest lakeside spot with cafes). Enjoy quick photos of the lake and Cyclops Mountains, then return to the airport. If timing is tight, remain in the airport area: grab coffee or a snack at the small cafes in the terminal or nearby warungs on Jalan Raya Sentani, and use airport Wi‑Fi to rest before your next flight. Allow at least 1.5–2 hours buffer for check‑in and security.

With 8 hours, you can explore Lake Sentani more comfortably. From DJJ, take a taxi or online ride to a lakeside village such as Kampung Asei or Kampung Ayapo (boat transfer needed; arrange via local boatmen at the lakeshore). See traditional Papuan houses on stilts and, if available, view or buy Sentani bark paintings and handicrafts. Have lunch at a lakeside eatery serving grilled fish (ikan bakar) with sambal and sago. On the way back, stop at the MacArthur Monument (Tugu MacArthur) on Ifar Gunung for panoramic views over Lake Sentani and the airport. Return to DJJ at least 2 hours before departure, as traffic on the Sentani–Jayapura road can be slow.

A full‑day layover lets you see both Sentani and Jayapura city. Day 1: From DJJ, head to Lake Sentani for a morning boat trip to Kampung Asei or other lake villages to experience local culture and art. Continue to the MacArthur Monument on Ifar Gunung for sweeping views and a bit of WWII history. Have lunch at a lakeside restaurant in Sentani. In the afternoon, go into Jayapura city (approx. 1–1.5 hours by car, depending on traffic). Visit Pantai Base G (Base G Beach) for swimming and sunset, or Pantai Hamadi for a stroll along the shore. In the evening, dine at a seafood restaurant along Jalan Sam Ratulangi or near the Jayapura waterfront. Overnight in a hotel in Jayapura or Sentani. Next day, if time allows, visit Taman Imbi (Imbi Park) and the nearby shopping streets before heading back to DJJ with ample buffer for traffic and airport formalities.