🌸 Overview
Line Name: Seibu Sayama Line
Operator: Seibu Railway Co., Ltd.
Section: Nishitokorozawa – Seibu-Kyujomae / approx. 4.2 km
Stations: 3 (Nishitokorozawa, Shimo-Yamaguchi, Seibu-Kyujomae)
Connecting Lines: Seibu Ikebukuro Line (at Nishitokorozawa)
Feature: The access line to Belluna Dome (Seibu Dome), Seibuen Amusement Park, and Sayama Lake
📜 History & Background
Opened in 1929 to serve visitors heading to Sayama Lake.
Originally called the “Murayama Line,” it was renamed the Seibu Sayama Line in 1936.
After the opening of Seibu Stadium (now Belluna Dome), services were expanded for game-day crowds.
During major events, extra and direct limited express trains are operated.
🚉 Station Highlights
Nishitokorozawa Station – Transfer point to the Seibu Ikebukuro Line / convenient access to central Tokyo.
Shimo-Yamaguchi Station – Quiet residential area / schools and parks nearby.
Seibu-Kyujomae Station – Closest station to Belluna Dome, Seibuen Amusement Park, and Sayama Lake / lively atmosphere during events.
🌟 Advantages
✅ 1. Excellent access to events
The line directly serves Belluna Dome, home of the Saitama Seibu Lions.
During baseball games and concerts, extra trains are operated for large crowds.
✅ 2. Surrounded by nature & leisure spots
Sayama Lake, Tama Lake, Seibuen Amusement Park, and the famous “Totoro Forest” offer rich greenery and family-friendly recreation.
✅ 3. Affordable rent & peaceful living
Compared with central Tokorozawa, the area is calmer and more residential.
Shimo-Yamaguchi is especially known as a quiet and comfortable neighborhood.
⚠️ Disadvantages
❌ 1. Limited regular train frequency
Trains run every 20–30 minutes during the day, and transfers at Nishitokorozawa are often required.
❌ 2. Heavy crowding during events
When baseball games or concerts are held, Seibu-Kyujomae Station becomes extremely crowded, and local residents may experience temporary noise.
❌ 3. Few commercial facilities nearby
There are only small supermarkets and convenience stores.
For full shopping, residents often go to Tokorozawa or Shin-Tokorozawa.
🧺 Livability (Ease of Living)
Transportation: ★★★☆☆ / Transfer at Nishitokorozawa / Extra trains on event days
Nature & Parks: ★★★★★ / Sayama Lake, Totoro Forest, and Seibuen Park nearby
Shopping: ★★☆☆☆ / Limited to small stores and drugstores
Education & Childcare: ★★★★☆ / Schools and daycare facilities available / excellent natural surroundings
Safety: ★★★★☆ / Usually quiet / temporary crowding during events
🏠 Real Estate Information
💴 Rent Averages (as of 2025)
Nishitokorozawa: 1R–1K ¥65,000–75,000 / 2LDK+ ¥110,000–130,000 / Convenient hub, slightly cheaper than Tokorozawa
Shimo-Yamaguchi: 1R–1K ¥55,000–65,000 / 2LDK+ ¥90,000–110,000 / Residential area, family-friendly
Seibu-Kyujomae: 1R–1K ¥50,000–60,000 / 2LDK+ ¥80,000–100,000 / Quiet on weekdays, lively on event days
🏘 Housing Trends
Mainly low-rise apartments, condominiums, and detached houses.
A well-balanced suburban area — not too urban, not too rural.
Also gaining popularity as a second home or remote-work base due to its calm environment.
🎯 Recommended For
✅ Families who want to live in a quiet, spacious residential area
✅ Parents who prefer a natural and park-rich environment for raising children
✅ Baseball fans or people who enjoy concerts and large events
✅ Singles or couples who want suburban calmness with good Tokyo access
✅ Those seeking a second home or remote-working spot
📌 Summary
The Seibu Sayama Line is a compact yet charming local branch line that connects nature, leisure, and city access.
It offers a balance between everyday convenience and event excitement —
perfect for families, nature lovers, and anyone who values both peaceful living and easy city connections. ⚾🌳🚋